206670320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:762

約数の個数: 80

約数和(自身を含む): 496575360

約数和(自身を除く): 289905040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 79, 80, 106, 158, 212, 265, 316, 395, 424, 530, 617, 632, 790, 848, 1060, 1234, 1264, 1580, 2120, 2468, 3085, 3160, 4187, 4240, 4936, 6170, 6320, 8374, 9872, 12340, 16748, 20935, 24680, 32701, 33496, 41870, 48743, 49360, 65402, 66992, 83740, 97486, 130804, 163505, 167480, 194972, 243715, 261608, 327010, 334960, 389944, 487430, 523216, 654020, 779888, 974860, 1308040, 1949720, 2583379, 2616080, 3899440, 5166758, 10333516, 12916895, 20667032, 25833790, 41334064, 51667580, 103335160, 206670320]

約数ペア:

[(1, 206670320), (2, 103335160), (4, 51667580), (5, 41334064), (8, 25833790), (10, 20667032), (16, 12916895), (20, 10333516), (40, 5166758), (53, 3899440), (79, 2616080), (80, 2583379), (106, 1949720), (158, 1308040), (212, 974860), (265, 779888), (316, 654020), (395, 523216), (424, 487430), (530, 389944), (617, 334960), (632, 327010), (790, 261608), (848, 243715), (1060, 194972), (1234, 167480), (1264, 163505), (1580, 130804), (2120, 97486), (2468, 83740), (3085, 66992), (3160, 65402), (4187, 49360), (4240, 48743), (4936, 41870), (6170, 33496), (6320, 32701), (8374, 24680), (9872, 20935), (12340, 16748)]