657280

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 1713600

約数和(自身を除く): 1056320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 208, 260, 316, 320, 395, 416, 520, 632, 640, 790, 832, 1027, 1040, 1264, 1580, 1664, 2054, 2080, 2528, 3160, 4108, 4160, 5056, 5135, 6320, 8216, 8320, 10112, 10270, 12640, 16432, 20540, 25280, 32864, 41080, 50560, 65728, 82160, 131456, 164320, 328640, 657280]

約数ペア:

[(1, 657280), (2, 328640), (4, 164320), (5, 131456), (8, 82160), (10, 65728), (13, 50560), (16, 41080), (20, 32864), (26, 25280), (32, 20540), (40, 16432), (52, 12640), (64, 10270), (65, 10112), (79, 8320), (80, 8216), (104, 6320), (128, 5135), (130, 5056), (158, 4160), (160, 4108), (208, 3160), (260, 2528), (316, 2080), (320, 2054), (395, 1664), (416, 1580), (520, 1264), (632, 1040), (640, 1027), (790, 832)]