639331320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{7001}}^1$

素因数の和:7776

約数の個数: 64

約数和(自身を含む): 1920788640

約数和(自身を除く): 1281457320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 761, 1522, 2283, 3044, 3805, 4566, 6088, 7001, 7610, 9132, 11415, 14002, 15220, 18264, 21003, 22830, 28004, 30440, 35005, 42006, 45660, 56008, 70010, 84012, 91320, 105015, 140020, 168024, 210030, 280040, 420060, 840120, 5327761, 10655522, 15983283, 21311044, 26638805, 31966566, 42622088, 53277610, 63933132, 79916415, 106555220, 127866264, 159832830, 213110440, 319665660, 639331320]

約数ペア:

[(1, 639331320), (2, 319665660), (3, 213110440), (4, 159832830), (5, 127866264), (6, 106555220), (8, 79916415), (10, 63933132), (12, 53277610), (15, 42622088), (20, 31966566), (24, 26638805), (30, 21311044), (40, 15983283), (60, 10655522), (120, 5327761), (761, 840120), (1522, 420060), (2283, 280040), (3044, 210030), (3805, 168024), (4566, 140020), (6088, 105015), (7001, 91320), (7610, 84012), (9132, 70010), (11415, 56008), (14002, 45660), (15220, 42006), (18264, 35005), (21003, 30440), (22830, 28004)]