256900140

素因数分解:

$2^2\times 3^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 384

約数和(自身を含む): 994560000

約数和(自身を除く): 737659860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 49, 54, 57, 60, 63, 70, 73, 76, 84, 90, 95, 98, 105, 108, 114, 126, 133, 135, 140, 146, 147, 171, 180, 189, 190, 196, 210, 219, 228, 245, 252, 266, 270, 285, 292, 294, 315, 342, 343, 365, 378, 380, 399, 420, 438, 441, 490, 511, 513, 532, 540, 570, 588, 630, 657, 665, 684, 686, 730, 735, 756, 798, 855, 876, 882, 931, 945, 980, 1022, 1026, 1029, 1095, 1140, 1197, 1260, 1314, 1323, 1330, 1372, 1387, 1460, 1470, 1533, 1596, 1710, 1715, 1764, 1862, 1890, 1971, 1995, 2044, 2052, 2058, 2190, 2205, 2394, 2555, 2565, 2628, 2646, 2660, 2774, 2793, 2940, 3066, 3087, 3285, 3420, 3430, 3577, 3591, 3724, 3780, 3942, 3990, 4116, 4161, 4380, 4410, 4599, 4655, 4788, 5110, 5130, 5145, 5292, 5548, 5586, 5985, 6132, 6174, 6517, 6570, 6615, 6860, 6935, 7154, 7182, 7665, 7884, 7980, 8322, 8379, 8820, 9198, 9261, 9310, 9709, 9855, 10220, 10260, 10290, 10731, 11172, 11970, 12348, 12483, 13034, 13140, 13230, 13797, 13870, 13965, 14308, 14364, 15330, 15435, 16644, 16758, 17885, 17955, 18396, 18522, 18620, 19418, 19551, 19710, 20580, 20805, 21462, 22995, 23940, 24966, 25039, 25137, 26068, 26460, 27594, 27740, 27930, 29127, 30660, 30870, 32193, 32585, 33516, 35770, 35910, 37044, 37449, 38836, 39102, 39420, 41610, 41895, 42924, 45990, 46305, 48545, 49932, 50078, 50274, 53655, 55188, 55860, 58254, 58653, 61740, 62415, 64386, 65170, 67963, 68985, 71540, 71820, 74898, 75117, 78204, 83220, 83790, 87381, 91980, 92610, 96579, 97090, 97755, 100156, 100548, 107310, 116508, 117306, 124830, 125195, 125685, 128772, 130340, 135926, 137970, 145635, 149796, 150234, 160965, 167580, 174762, 175959, 185220, 187245, 193158, 194180, 195510, 203889, 214620, 225351, 234612, 249660, 250390, 251370, 262143, 271852, 275940, 291270, 293265, 300468, 321930, 339815, 349524, 351918, 374490, 375585, 386316, 391020, 407778, 436905, 450702, 475741, 482895, 500780, 502740, 524286, 582540, 586530, 611667, 643860, 676053, 679630, 703836, 748980, 751170, 815556, 873810, 879795, 901404, 951482, 965790, 1019445, 1048572, 1126755, 1173060, 1223334, 1310715, 1352106, 1359260, 1427223, 1502340, 1747620, 1759590, 1835001, 1902964, 1931580, 2038890, 2253510, 2378705, 2446668, 2621430, 2704212, 2854446, 3058335, 3380265, 3519180, 3670002, 4077780, 4281669, 4507020, 4757410, 5242860, 5708892, 6116670, 6760530, 7136115, 7340004, 8563338, 9175005, 9514820, 12233340, 12845007, 13521060, 14272230, 17126676, 18350010, 21408345, 25690014, 28544460, 36700020, 42816690, 51380028, 64225035, 85633380, 128450070, 256900140]

約数ペア:

[(1, 256900140), (2, 128450070), (3, 85633380), (4, 64225035), (5, 51380028), (6, 42816690), (7, 36700020), (9, 28544460), (10, 25690014), (12, 21408345), (14, 18350010), (15, 17126676), (18, 14272230), (19, 13521060), (20, 12845007), (21, 12233340), (27, 9514820), (28, 9175005), (30, 8563338), (35, 7340004), (36, 7136115), (38, 6760530), (42, 6116670), (45, 5708892), (49, 5242860), (54, 4757410), (57, 4507020), (60, 4281669), (63, 4077780), (70, 3670002), (73, 3519180), (76, 3380265), (84, 3058335), (90, 2854446), (95, 2704212), (98, 2621430), (105, 2446668), (108, 2378705), (114, 2253510), (126, 2038890), (133, 1931580), (135, 1902964), (140, 1835001), (146, 1759590), (147, 1747620), (171, 1502340), (180, 1427223), (189, 1359260), (190, 1352106), (196, 1310715), (210, 1223334), (219, 1173060), (228, 1126755), (245, 1048572), (252, 1019445), (266, 965790), (270, 951482), (285, 901404), (292, 879795), (294, 873810), (315, 815556), (342, 751170), (343, 748980), (365, 703836), (378, 679630), (380, 676053), (399, 643860), (420, 611667), (438, 586530), (441, 582540), (490, 524286), (511, 502740), (513, 500780), (532, 482895), (540, 475741), (570, 450702), (588, 436905), (630, 407778), (657, 391020), (665, 386316), (684, 375585), (686, 374490), (730, 351918), (735, 349524), (756, 339815), (798, 321930), (855, 300468), (876, 293265), (882, 291270), (931, 275940), (945, 271852), (980, 262143), (1022, 251370), (1026, 250390), (1029, 249660), (1095, 234612), (1140, 225351), (1197, 214620), (1260, 203889), (1314, 195510), (1323, 194180), (1330, 193158), (1372, 187245), (1387, 185220), (1460, 175959), (1470, 174762), (1533, 167580), (1596, 160965), (1710, 150234), (1715, 149796), (1764, 145635), (1862, 137970), (1890, 135926), (1971, 130340), (1995, 128772), (2044, 125685), (2052, 125195), (2058, 124830), (2190, 117306), (2205, 116508), (2394, 107310), (2555, 100548), (2565, 100156), (2628, 97755), (2646, 97090), (2660, 96579), (2774, 92610), (2793, 91980), (2940, 87381), (3066, 83790), (3087, 83220), (3285, 78204), (3420, 75117), (3430, 74898), (3577, 71820), (3591, 71540), (3724, 68985), (3780, 67963), (3942, 65170), (3990, 64386), (4116, 62415), (4161, 61740), (4380, 58653), (4410, 58254), (4599, 55860), (4655, 55188), (4788, 53655), (5110, 50274), (5130, 50078), (5145, 49932), (5292, 48545), (5548, 46305), (5586, 45990), (5985, 42924), (6132, 41895), (6174, 41610), (6517, 39420), (6570, 39102), (6615, 38836), (6860, 37449), (6935, 37044), (7154, 35910), (7182, 35770), (7665, 33516), (7884, 32585), (7980, 32193), (8322, 30870), (8379, 30660), (8820, 29127), (9198, 27930), (9261, 27740), (9310, 27594), (9709, 26460), (9855, 26068), (10220, 25137), (10260, 25039), (10290, 24966), (10731, 23940), (11172, 22995), (11970, 21462), (12348, 20805), (12483, 20580), (13034, 19710), (13140, 19551), (13230, 19418), (13797, 18620), (13870, 18522), (13965, 18396), (14308, 17955), (14364, 17885), (15330, 16758), (15435, 16644)]