1278606780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:657

約数の個数: 288

約数和(自身を含む): 4493518848

約数和(自身を除く): 3214912068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 37, 44, 45, 55, 60, 62, 66, 74, 90, 93, 99, 110, 111, 124, 132, 148, 155, 165, 180, 185, 186, 198, 220, 222, 279, 310, 330, 333, 341, 370, 372, 396, 407, 444, 465, 495, 555, 558, 563, 620, 660, 666, 682, 740, 814, 930, 990, 1023, 1110, 1116, 1126, 1147, 1221, 1332, 1364, 1395, 1628, 1665, 1689, 1705, 1860, 1980, 2035, 2046, 2220, 2252, 2294, 2442, 2790, 2815, 3069, 3330, 3378, 3410, 3441, 3663, 4070, 4092, 4588, 4884, 5067, 5115, 5580, 5630, 5735, 6105, 6138, 6193, 6660, 6756, 6820, 6882, 7326, 8140, 8445, 10134, 10230, 10323, 11260, 11470, 12210, 12276, 12386, 12617, 13764, 14652, 15345, 16890, 17205, 17453, 18315, 18579, 20268, 20460, 20646, 20831, 22940, 24420, 24772, 25234, 25335, 30690, 30965, 33780, 34410, 34906, 36630, 37158, 37851, 41292, 41662, 50468, 50670, 51615, 52359, 55737, 61380, 61930, 62493, 63085, 68820, 69812, 73260, 74316, 75702, 83324, 87265, 92895, 101340, 103230, 104155, 104718, 111474, 113553, 123860, 124986, 126170, 151404, 157077, 174530, 185790, 187479, 189255, 191983, 206460, 208310, 209436, 222948, 227106, 229141, 249972, 252340, 261795, 278685, 312465, 314154, 349060, 371580, 374958, 378510, 383966, 416620, 454212, 458282, 523590, 557370, 567765, 575949, 624930, 628308, 645761, 687423, 749916, 757020, 767932, 785385, 916564, 937395, 959915, 1047180, 1114740, 1135530, 1145705, 1151898, 1249860, 1291522, 1374846, 1570770, 1727847, 1874790, 1919830, 1937283, 2062269, 2271060, 2291410, 2303796, 2583044, 2749692, 2879745, 3141540, 3228805, 3437115, 3455694, 3749580, 3839660, 3874566, 4124538, 4582820, 5759490, 5811849, 6457610, 6874230, 6911388, 7103371, 7749132, 8249076, 8639235, 9686415, 10311345, 11518980, 11623698, 12915220, 13748460, 14206742, 17278470, 19372830, 20622690, 21310113, 23247396, 28413484, 29059245, 34556940, 35516855, 38745660, 41245380, 42620226, 58118490, 63930339, 71033710, 85240452, 106550565, 116236980, 127860678, 142067420, 213101130, 255721356, 319651695, 426202260, 639303390, 1278606780]

約数ペア:

[(1, 1278606780), (2, 639303390), (3, 426202260), (4, 319651695), (5, 255721356), (6, 213101130), (9, 142067420), (10, 127860678), (11, 116236980), (12, 106550565), (15, 85240452), (18, 71033710), (20, 63930339), (22, 58118490), (30, 42620226), (31, 41245380), (33, 38745660), (36, 35516855), (37, 34556940), (44, 29059245), (45, 28413484), (55, 23247396), (60, 21310113), (62, 20622690), (66, 19372830), (74, 17278470), (90, 14206742), (93, 13748460), (99, 12915220), (110, 11623698), (111, 11518980), (124, 10311345), (132, 9686415), (148, 8639235), (155, 8249076), (165, 7749132), (180, 7103371), (185, 6911388), (186, 6874230), (198, 6457610), (220, 5811849), (222, 5759490), (279, 4582820), (310, 4124538), (330, 3874566), (333, 3839660), (341, 3749580), (370, 3455694), (372, 3437115), (396, 3228805), (407, 3141540), (444, 2879745), (465, 2749692), (495, 2583044), (555, 2303796), (558, 2291410), (563, 2271060), (620, 2062269), (660, 1937283), (666, 1919830), (682, 1874790), (740, 1727847), (814, 1570770), (930, 1374846), (990, 1291522), (1023, 1249860), (1110, 1151898), (1116, 1145705), (1126, 1135530), (1147, 1114740), (1221, 1047180), (1332, 959915), (1364, 937395), (1395, 916564), (1628, 785385), (1665, 767932), (1689, 757020), (1705, 749916), (1860, 687423), (1980, 645761), (2035, 628308), (2046, 624930), (2220, 575949), (2252, 567765), (2294, 557370), (2442, 523590), (2790, 458282), (2815, 454212), (3069, 416620), (3330, 383966), (3378, 378510), (3410, 374958), (3441, 371580), (3663, 349060), (4070, 314154), (4092, 312465), (4588, 278685), (4884, 261795), (5067, 252340), (5115, 249972), (5580, 229141), (5630, 227106), (5735, 222948), (6105, 209436), (6138, 208310), (6193, 206460), (6660, 191983), (6756, 189255), (6820, 187479), (6882, 185790), (7326, 174530), (8140, 157077), (8445, 151404), (10134, 126170), (10230, 124986), (10323, 123860), (11260, 113553), (11470, 111474), (12210, 104718), (12276, 104155), (12386, 103230), (12617, 101340), (13764, 92895), (14652, 87265), (15345, 83324), (16890, 75702), (17205, 74316), (17453, 73260), (18315, 69812), (18579, 68820), (20268, 63085), (20460, 62493), (20646, 61930), (20831, 61380), (22940, 55737), (24420, 52359), (24772, 51615), (25234, 50670), (25335, 50468), (30690, 41662), (30965, 41292), (33780, 37851), (34410, 37158), (34906, 36630)]