90835980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21323}}^1$

素因数の和:21406

約数の個数: 48

約数和(自身を含む): 257935104

約数和(自身を除く): 167099124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 21323, 42646, 63969, 85292, 106615, 127938, 213230, 255876, 319845, 426460, 639690, 1279380, 1513933, 3027866, 4541799, 6055732, 7569665, 9083598, 15139330, 18167196, 22708995, 30278660, 45417990, 90835980]

約数ペア:

[(1, 90835980), (2, 45417990), (3, 30278660), (4, 22708995), (5, 18167196), (6, 15139330), (10, 9083598), (12, 7569665), (15, 6055732), (20, 4541799), (30, 3027866), (60, 1513933), (71, 1279380), (142, 639690), (213, 426460), (284, 319845), (355, 255876), (426, 213230), (710, 127938), (852, 106615), (1065, 85292), (1420, 63969), (2130, 42646), (4260, 21323)]