320199360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25657}}^1$

素因数の和:25690

約数の個数: 112

約数和(自身を含む): 1094878176

約数和(自身を除く): 774678816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 25657, 51314, 76971, 102628, 128285, 153942, 205256, 256570, 307884, 333541, 384855, 410512, 513140, 615768, 667082, 769710, 821024, 1000623, 1026280, 1231536, 1334164, 1539420, 1642048, 1667705, 2001246, 2052560, 2463072, 2668328, 3078840, 3335410, 4002492, 4105120, 4926144, 5003115, 5336656, 6157680, 6670820, 8004984, 8210240, 10006230, 10673312, 12315360, 13341640, 16009968, 20012460, 21346624, 24630720, 26683280, 32019936, 40024920, 53366560, 64039872, 80049840, 106733120, 160099680, 320199360]

約数ペア:

[(1, 320199360), (2, 160099680), (3, 106733120), (4, 80049840), (5, 64039872), (6, 53366560), (8, 40024920), (10, 32019936), (12, 26683280), (13, 24630720), (15, 21346624), (16, 20012460), (20, 16009968), (24, 13341640), (26, 12315360), (30, 10673312), (32, 10006230), (39, 8210240), (40, 8004984), (48, 6670820), (52, 6157680), (60, 5336656), (64, 5003115), (65, 4926144), (78, 4105120), (80, 4002492), (96, 3335410), (104, 3078840), (120, 2668328), (130, 2463072), (156, 2052560), (160, 2001246), (192, 1667705), (195, 1642048), (208, 1539420), (240, 1334164), (260, 1231536), (312, 1026280), (320, 1000623), (390, 821024), (416, 769710), (480, 667082), (520, 615768), (624, 513140), (780, 410512), (832, 384855), (960, 333541), (1040, 307884), (1248, 256570), (1560, 205256), (2080, 153942), (2496, 128285), (3120, 102628), (4160, 76971), (6240, 51314), (12480, 25657)]