145408640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17477}}^1$

素因数の和:17509

約数の個数: 64

約数和(自身を含む): 374378760

約数和(自身を除く): 228970120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 17477, 34954, 69908, 87385, 139816, 174770, 227201, 279632, 349540, 454402, 559264, 699080, 908804, 1118528, 1136005, 1398160, 1817608, 2237056, 2272010, 2796320, 3635216, 4544020, 5592640, 7270432, 9088040, 11185280, 14540864, 18176080, 29081728, 36352160, 72704320, 145408640]

約数ペア:

[(1, 145408640), (2, 72704320), (4, 36352160), (5, 29081728), (8, 18176080), (10, 14540864), (13, 11185280), (16, 9088040), (20, 7270432), (26, 5592640), (32, 4544020), (40, 3635216), (52, 2796320), (64, 2272010), (65, 2237056), (80, 1817608), (104, 1398160), (128, 1136005), (130, 1118528), (160, 908804), (208, 699080), (260, 559264), (320, 454402), (416, 349540), (520, 279632), (640, 227201), (832, 174770), (1040, 139816), (1664, 87385), (2080, 69908), (4160, 34954), (8320, 17477)]