15641980508

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{907}}^1$

素因数の和:1376

約数の個数: 144

約数和(自身を含む): 36692933760

約数和(自身を除く): 21050953252

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 418, 421, 532, 539, 836, 842, 907, 931, 1078, 1463, 1684, 1814, 1862, 2156, 2926, 2947, 3628, 3724, 4631, 5852, 5894, 6349, 7999, 9262, 9977, 10241, 11788, 12698, 15998, 17233, 18524, 19954, 20482, 20629, 25396, 31996, 32417, 34466, 39908, 40964, 41258, 44443, 55993, 64834, 68932, 69839, 82516, 87989, 88886, 111986, 120631, 129668, 139678, 175978, 177772, 189563, 223972, 226919, 241262, 279356, 351956, 379126, 381847, 391951, 453838, 482524, 488873, 615923, 758252, 763694, 783902, 844417, 907676, 977746, 1231846, 1326941, 1527388, 1567804, 1688834, 1955492, 2463692, 2653882, 2672929, 3377668, 4200317, 4311461, 5307764, 5345858, 7255093, 8400634, 8622922, 9288587, 10691716, 14510186, 16801268, 17245844, 18577174, 18710503, 29020372, 29402219, 37154348, 37421006, 50785651, 58804438, 74842012, 79806023, 101571302, 117608876, 159612046, 203142604, 205815533, 319224092, 355499557, 411631066, 558642161, 710999114, 823262132, 1117284322, 1421998228, 2234568644, 3910495127, 7820990254, 15641980508]

約数ペア:

[(1, 15641980508), (2, 7820990254), (4, 3910495127), (7, 2234568644), (11, 1421998228), (14, 1117284322), (19, 823262132), (22, 710999114), (28, 558642161), (38, 411631066), (44, 355499557), (49, 319224092), (76, 205815533), (77, 203142604), (98, 159612046), (133, 117608876), (154, 101571302), (196, 79806023), (209, 74842012), (266, 58804438), (308, 50785651), (418, 37421006), (421, 37154348), (532, 29402219), (539, 29020372), (836, 18710503), (842, 18577174), (907, 17245844), (931, 16801268), (1078, 14510186), (1463, 10691716), (1684, 9288587), (1814, 8622922), (1862, 8400634), (2156, 7255093), (2926, 5345858), (2947, 5307764), (3628, 4311461), (3724, 4200317), (4631, 3377668), (5852, 2672929), (5894, 2653882), (6349, 2463692), (7999, 1955492), (9262, 1688834), (9977, 1567804), (10241, 1527388), (11788, 1326941), (12698, 1231846), (15998, 977746), (17233, 907676), (18524, 844417), (19954, 783902), (20482, 763694), (20629, 758252), (25396, 615923), (31996, 488873), (32417, 482524), (34466, 453838), (39908, 391951), (40964, 381847), (41258, 379126), (44443, 351956), (55993, 279356), (64834, 241262), (68932, 226919), (69839, 223972), (82516, 189563), (87989, 177772), (88886, 175978), (111986, 139678), (120631, 129668)]