65518720

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4451}}^1$

素因数の和:4493

約数の個数: 64

約数和(自身を含む): 163477440

約数和(自身を除く): 97958720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 4451, 7360, 8902, 14720, 17804, 22255, 35608, 44510, 71216, 89020, 102373, 142432, 178040, 204746, 284864, 356080, 409492, 511865, 569728, 712160, 818984, 1023730, 1424320, 1637968, 2047460, 2848640, 3275936, 4094920, 6551872, 8189840, 13103744, 16379680, 32759360, 65518720]

約数ペア:

[(1, 65518720), (2, 32759360), (4, 16379680), (5, 13103744), (8, 8189840), (10, 6551872), (16, 4094920), (20, 3275936), (23, 2848640), (32, 2047460), (40, 1637968), (46, 1424320), (64, 1023730), (80, 818984), (92, 712160), (115, 569728), (128, 511865), (160, 409492), (184, 356080), (230, 284864), (320, 204746), (368, 178040), (460, 142432), (640, 102373), (736, 89020), (920, 71216), (1472, 44510), (1840, 35608), (2944, 22255), (3680, 17804), (4451, 14720), (7360, 8902)]