61770640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{569}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 152668800

約数和(自身を除く): 90898160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 59, 80, 92, 115, 118, 184, 230, 236, 295, 368, 460, 472, 569, 590, 920, 944, 1138, 1180, 1357, 1840, 2276, 2360, 2714, 2845, 4552, 4720, 5428, 5690, 6785, 9104, 10856, 11380, 13087, 13570, 21712, 22760, 26174, 27140, 33571, 45520, 52348, 54280, 65435, 67142, 104696, 108560, 130870, 134284, 167855, 209392, 261740, 268568, 335710, 523480, 537136, 671420, 772133, 1046960, 1342840, 1544266, 2685680, 3088532, 3860665, 6177064, 7721330, 12354128, 15442660, 30885320, 61770640]

約数ペア:

[(1, 61770640), (2, 30885320), (4, 15442660), (5, 12354128), (8, 7721330), (10, 6177064), (16, 3860665), (20, 3088532), (23, 2685680), (40, 1544266), (46, 1342840), (59, 1046960), (80, 772133), (92, 671420), (115, 537136), (118, 523480), (184, 335710), (230, 268568), (236, 261740), (295, 209392), (368, 167855), (460, 134284), (472, 130870), (569, 108560), (590, 104696), (920, 67142), (944, 65435), (1138, 54280), (1180, 52348), (1357, 45520), (1840, 33571), (2276, 27140), (2360, 26174), (2714, 22760), (2845, 21712), (4552, 13570), (4720, 13087), (5428, 11380), (5690, 10856), (6785, 9104)]