61915520

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1087}}^1$

素因数の和:1195

約数の個数: 64

約数和(自身を含む): 149817600

約数和(自身を除く): 87902080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1087, 1424, 1780, 2174, 2848, 3560, 4348, 5435, 5696, 7120, 8696, 10870, 11392, 14240, 17392, 21740, 28480, 34784, 43480, 56960, 69568, 86960, 96743, 139136, 173920, 193486, 347840, 386972, 483715, 695680, 773944, 967430, 1547888, 1934860, 3095776, 3869720, 6191552, 7739440, 12383104, 15478880, 30957760, 61915520]

約数ペア:

[(1, 61915520), (2, 30957760), (4, 15478880), (5, 12383104), (8, 7739440), (10, 6191552), (16, 3869720), (20, 3095776), (32, 1934860), (40, 1547888), (64, 967430), (80, 773944), (89, 695680), (128, 483715), (160, 386972), (178, 347840), (320, 193486), (356, 173920), (445, 139136), (640, 96743), (712, 86960), (890, 69568), (1087, 56960), (1424, 43480), (1780, 34784), (2174, 28480), (2848, 21740), (3560, 17392), (4348, 14240), (5435, 11392), (5696, 10870), (7120, 8696)]