81631368

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4153}}^1$

素因数の和:4188

約数の個数: 128

約数和(自身を含む): 279148800

約数和(自身を除く): 197517432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 52, 54, 56, 63, 72, 78, 84, 91, 104, 108, 117, 126, 156, 168, 182, 189, 216, 234, 252, 273, 312, 351, 364, 378, 468, 504, 546, 702, 728, 756, 819, 936, 1092, 1404, 1512, 1638, 2184, 2457, 2808, 3276, 4153, 4914, 6552, 8306, 9828, 12459, 16612, 19656, 24918, 29071, 33224, 37377, 49836, 53989, 58142, 74754, 87213, 99672, 107978, 112131, 116284, 149508, 161967, 174426, 215956, 224262, 232568, 261639, 299016, 323934, 348852, 377923, 431912, 448524, 485901, 523278, 647868, 697704, 755846, 784917, 897048, 971802, 1046556, 1133769, 1295736, 1457703, 1511692, 1569834, 1943604, 2093112, 2267538, 2915406, 3023384, 3139668, 3401307, 3887208, 4535076, 5830812, 6279336, 6802614, 9070152, 10203921, 11661624, 13605228, 20407842, 27210456, 40815684, 81631368]

約数ペア:

[(1, 81631368), (2, 40815684), (3, 27210456), (4, 20407842), (6, 13605228), (7, 11661624), (8, 10203921), (9, 9070152), (12, 6802614), (13, 6279336), (14, 5830812), (18, 4535076), (21, 3887208), (24, 3401307), (26, 3139668), (27, 3023384), (28, 2915406), (36, 2267538), (39, 2093112), (42, 1943604), (52, 1569834), (54, 1511692), (56, 1457703), (63, 1295736), (72, 1133769), (78, 1046556), (84, 971802), (91, 897048), (104, 784917), (108, 755846), (117, 697704), (126, 647868), (156, 523278), (168, 485901), (182, 448524), (189, 431912), (216, 377923), (234, 348852), (252, 323934), (273, 299016), (312, 261639), (351, 232568), (364, 224262), (378, 215956), (468, 174426), (504, 161967), (546, 149508), (702, 116284), (728, 112131), (756, 107978), (819, 99672), (936, 87213), (1092, 74754), (1404, 58142), (1512, 53989), (1638, 49836), (2184, 37377), (2457, 33224), (2808, 29071), (3276, 24918), (4153, 19656), (4914, 16612), (6552, 12459), (8306, 9828)]