1987283340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 432

約数和(自身を含む): 7728581952

約数和(自身を除く): 5741298612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 19, 20, 21, 28, 30, 34, 35, 36, 38, 42, 45, 51, 57, 60, 63, 68, 70, 76, 84, 85, 90, 95, 102, 105, 114, 119, 126, 133, 140, 153, 170, 171, 180, 190, 204, 210, 228, 238, 252, 255, 257, 266, 285, 306, 315, 323, 340, 342, 357, 361, 380, 399, 420, 476, 510, 514, 532, 570, 595, 612, 630, 646, 665, 684, 714, 722, 765, 771, 798, 855, 969, 1020, 1028, 1071, 1083, 1140, 1190, 1197, 1260, 1285, 1292, 1330, 1428, 1444, 1530, 1542, 1596, 1615, 1710, 1785, 1799, 1805, 1938, 1995, 2142, 2166, 2261, 2313, 2380, 2394, 2527, 2570, 2660, 2907, 3060, 3084, 3230, 3249, 3420, 3570, 3598, 3610, 3855, 3876, 3990, 4284, 4332, 4369, 4522, 4626, 4788, 4845, 4883, 5054, 5140, 5355, 5397, 5415, 5814, 5985, 6137, 6460, 6498, 6783, 7140, 7196, 7220, 7581, 7710, 7980, 8738, 8995, 9044, 9252, 9690, 9766, 10108, 10710, 10794, 10830, 11305, 11565, 11628, 11970, 12274, 12635, 12996, 13107, 13566, 14535, 14649, 15162, 15420, 16191, 16245, 17476, 17990, 18411, 19380, 19532, 20349, 21420, 21588, 21660, 21845, 22610, 22743, 23130, 23940, 24415, 24548, 25270, 26214, 26985, 27132, 29070, 29298, 30324, 30583, 30685, 32382, 32490, 33915, 34181, 35980, 36822, 37905, 39321, 40698, 42959, 43690, 43947, 45220, 45486, 46260, 48830, 50540, 52428, 53970, 55233, 58140, 58596, 61166, 61370, 64764, 64980, 65535, 67830, 68362, 73245, 73644, 75810, 78642, 80955, 81396, 83011, 85918, 87380, 87894, 90972, 91749, 92055, 92777, 97660, 101745, 102543, 107940, 110466, 113715, 122332, 122740, 128877, 131070, 135660, 136724, 146490, 151620, 152915, 157284, 161910, 166022, 170905, 171836, 175788, 183498, 184110, 185554, 196605, 203490, 205086, 214795, 219735, 220932, 227430, 249033, 257754, 262140, 275247, 276165, 278331, 292980, 305830, 307629, 323820, 332044, 341810, 366996, 368220, 371108, 386631, 393210, 406980, 410172, 415055, 429590, 439470, 454860, 458745, 463885, 498066, 512715, 515508, 550494, 552330, 556662, 581077, 611660, 615258, 644385, 649439, 683620, 747099, 773262, 786420, 830110, 834993, 859180, 878940, 917490, 927770, 996132, 1025430, 1100988, 1104660, 1113324, 1162154, 1230516, 1245165, 1288770, 1298878, 1376235, 1391655, 1494198, 1538145, 1546524, 1577209, 1660220, 1669986, 1743231, 1834980, 1855540, 1933155, 1948317, 2050860, 2324308, 2490330, 2577540, 2597756, 2752470, 2783310, 2905385, 2988396, 3076290, 3154418, 3247195, 3339972, 3486462, 3735495, 3866310, 3896634, 4174965, 4731627, 4980660, 5229693, 5504940, 5566620, 5810770, 5844951, 6152580, 6308836, 6494390, 6972924, 7470990, 7732620, 7793268, 7886045, 8349930, 8716155, 9463254, 9741585, 10459386, 11040463, 11621540, 11689902, 12988780, 14194881, 14941980, 15772090, 16699860, 17432310, 18926508, 19483170, 20918772, 22080926, 23379804, 23658135, 26148465, 28389762, 29224755, 31544180, 33121389, 34864620, 38966340, 44161852, 47316270, 52296930, 55202315, 56779524, 58449510, 66242778, 70974405, 94632540, 99364167, 104593860, 110404630, 116899020, 132485556, 141948810, 165606945, 198728334, 220809260, 283897620, 331213890, 397456668, 496820835, 662427780, 993641670, 1987283340]

約数ペア:

[(1, 1987283340), (2, 993641670), (3, 662427780), (4, 496820835), (5, 397456668), (6, 331213890), (7, 283897620), (9, 220809260), (10, 198728334), (12, 165606945), (14, 141948810), (15, 132485556), (17, 116899020), (18, 110404630), (19, 104593860), (20, 99364167), (21, 94632540), (28, 70974405), (30, 66242778), (34, 58449510), (35, 56779524), (36, 55202315), (38, 52296930), (42, 47316270), (45, 44161852), (51, 38966340), (57, 34864620), (60, 33121389), (63, 31544180), (68, 29224755), (70, 28389762), (76, 26148465), (84, 23658135), (85, 23379804), (90, 22080926), (95, 20918772), (102, 19483170), (105, 18926508), (114, 17432310), (119, 16699860), (126, 15772090), (133, 14941980), (140, 14194881), (153, 12988780), (170, 11689902), (171, 11621540), (180, 11040463), (190, 10459386), (204, 9741585), (210, 9463254), (228, 8716155), (238, 8349930), (252, 7886045), (255, 7793268), (257, 7732620), (266, 7470990), (285, 6972924), (306, 6494390), (315, 6308836), (323, 6152580), (340, 5844951), (342, 5810770), (357, 5566620), (361, 5504940), (380, 5229693), (399, 4980660), (420, 4731627), (476, 4174965), (510, 3896634), (514, 3866310), (532, 3735495), (570, 3486462), (595, 3339972), (612, 3247195), (630, 3154418), (646, 3076290), (665, 2988396), (684, 2905385), (714, 2783310), (722, 2752470), (765, 2597756), (771, 2577540), (798, 2490330), (855, 2324308), (969, 2050860), (1020, 1948317), (1028, 1933155), (1071, 1855540), (1083, 1834980), (1140, 1743231), (1190, 1669986), (1197, 1660220), (1260, 1577209), (1285, 1546524), (1292, 1538145), (1330, 1494198), (1428, 1391655), (1444, 1376235), (1530, 1298878), (1542, 1288770), (1596, 1245165), (1615, 1230516), (1710, 1162154), (1785, 1113324), (1799, 1104660), (1805, 1100988), (1938, 1025430), (1995, 996132), (2142, 927770), (2166, 917490), (2261, 878940), (2313, 859180), (2380, 834993), (2394, 830110), (2527, 786420), (2570, 773262), (2660, 747099), (2907, 683620), (3060, 649439), (3084, 644385), (3230, 615258), (3249, 611660), (3420, 581077), (3570, 556662), (3598, 552330), (3610, 550494), (3855, 515508), (3876, 512715), (3990, 498066), (4284, 463885), (4332, 458745), (4369, 454860), (4522, 439470), (4626, 429590), (4788, 415055), (4845, 410172), (4883, 406980), (5054, 393210), (5140, 386631), (5355, 371108), (5397, 368220), (5415, 366996), (5814, 341810), (5985, 332044), (6137, 323820), (6460, 307629), (6498, 305830), (6783, 292980), (7140, 278331), (7196, 276165), (7220, 275247), (7581, 262140), (7710, 257754), (7980, 249033), (8738, 227430), (8995, 220932), (9044, 219735), (9252, 214795), (9690, 205086), (9766, 203490), (10108, 196605), (10710, 185554), (10794, 184110), (10830, 183498), (11305, 175788), (11565, 171836), (11628, 170905), (11970, 166022), (12274, 161910), (12635, 157284), (12996, 152915), (13107, 151620), (13566, 146490), (14535, 136724), (14649, 135660), (15162, 131070), (15420, 128877), (16191, 122740), (16245, 122332), (17476, 113715), (17990, 110466), (18411, 107940), (19380, 102543), (19532, 101745), (20349, 97660), (21420, 92777), (21588, 92055), (21660, 91749), (21845, 90972), (22610, 87894), (22743, 87380), (23130, 85918), (23940, 83011), (24415, 81396), (24548, 80955), (25270, 78642), (26214, 75810), (26985, 73644), (27132, 73245), (29070, 68362), (29298, 67830), (30324, 65535), (30583, 64980), (30685, 64764), (32382, 61370), (32490, 61166), (33915, 58596), (34181, 58140), (35980, 55233), (36822, 53970), (37905, 52428), (39321, 50540), (40698, 48830), (42959, 46260), (43690, 45486), (43947, 45220)]