8879664520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:635

約数の個数: 128

約数和(自身を含む): 20814524640

約数和(自身を除く): 11934860120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 73, 106, 146, 181, 212, 265, 292, 317, 362, 365, 424, 530, 584, 634, 724, 730, 905, 1060, 1268, 1448, 1460, 1585, 1810, 2120, 2536, 2920, 3170, 3620, 3869, 6340, 7240, 7738, 9593, 12680, 13213, 15476, 16801, 19186, 19345, 23141, 26426, 30952, 33602, 38372, 38690, 46282, 47965, 52852, 57377, 66065, 67204, 76744, 77380, 84005, 92564, 95930, 105704, 114754, 115705, 132130, 134408, 154760, 168010, 185128, 191860, 229508, 231410, 264260, 286885, 336020, 383720, 459016, 462820, 528520, 573770, 672040, 700289, 925640, 1147540, 1226473, 1400578, 2295080, 2452946, 2801156, 3040981, 3501445, 4188521, 4905892, 5602312, 6081962, 6132365, 7002890, 8377042, 9811784, 12163924, 12264730, 14005780, 15204905, 16754084, 20942605, 24327848, 24529460, 28011560, 30409810, 33508168, 41885210, 49058920, 60819620, 83770420, 121639240, 167540840, 221991613, 443983226, 887966452, 1109958065, 1775932904, 2219916130, 4439832260, 8879664520]

約数ペア:

[(1, 8879664520), (2, 4439832260), (4, 2219916130), (5, 1775932904), (8, 1109958065), (10, 887966452), (20, 443983226), (40, 221991613), (53, 167540840), (73, 121639240), (106, 83770420), (146, 60819620), (181, 49058920), (212, 41885210), (265, 33508168), (292, 30409810), (317, 28011560), (362, 24529460), (365, 24327848), (424, 20942605), (530, 16754084), (584, 15204905), (634, 14005780), (724, 12264730), (730, 12163924), (905, 9811784), (1060, 8377042), (1268, 7002890), (1448, 6132365), (1460, 6081962), (1585, 5602312), (1810, 4905892), (2120, 4188521), (2536, 3501445), (2920, 3040981), (3170, 2801156), (3620, 2452946), (3869, 2295080), (6340, 1400578), (7240, 1226473), (7738, 1147540), (9593, 925640), (12680, 700289), (13213, 672040), (15476, 573770), (16801, 528520), (19186, 462820), (19345, 459016), (23141, 383720), (26426, 336020), (30952, 286885), (33602, 264260), (38372, 231410), (38690, 229508), (46282, 191860), (47965, 185128), (52852, 168010), (57377, 154760), (66065, 134408), (67204, 132130), (76744, 115705), (77380, 114754), (84005, 105704), (92564, 95930)]