639691860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1\times {\mathrm{653}}^1$

素因数の和:1257

約数の個数: 96

約数和(自身を含む): 1859034240

約数和(自身を除く): 1219342380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 563, 580, 653, 870, 1126, 1306, 1689, 1740, 1959, 2252, 2612, 2815, 3265, 3378, 3918, 5630, 6530, 6756, 7836, 8445, 9795, 11260, 13060, 16327, 16890, 18937, 19590, 32654, 33780, 37874, 39180, 48981, 56811, 65308, 75748, 81635, 94685, 97962, 113622, 163270, 189370, 195924, 227244, 244905, 284055, 326540, 367639, 378740, 489810, 568110, 735278, 979620, 1102917, 1136220, 1470556, 1838195, 2205834, 3676390, 4411668, 5514585, 7352780, 10661531, 11029170, 21323062, 22058340, 31984593, 42646124, 53307655, 63969186, 106615310, 127938372, 159922965, 213230620, 319845930, 639691860]

約数ペア:

[(1, 639691860), (2, 319845930), (3, 213230620), (4, 159922965), (5, 127938372), (6, 106615310), (10, 63969186), (12, 53307655), (15, 42646124), (20, 31984593), (29, 22058340), (30, 21323062), (58, 11029170), (60, 10661531), (87, 7352780), (116, 5514585), (145, 4411668), (174, 3676390), (290, 2205834), (348, 1838195), (435, 1470556), (563, 1136220), (580, 1102917), (653, 979620), (870, 735278), (1126, 568110), (1306, 489810), (1689, 378740), (1740, 367639), (1959, 326540), (2252, 284055), (2612, 244905), (2815, 227244), (3265, 195924), (3378, 189370), (3918, 163270), (5630, 113622), (6530, 97962), (6756, 94685), (7836, 81635), (8445, 75748), (9795, 65308), (11260, 56811), (13060, 48981), (16327, 39180), (16890, 37874), (18937, 33780), (19590, 32654)]