2664385280

素因数分解:

$2^8\times 5^1\times {\mathrm{271}}^1\times {\mathrm{7681}}^1$

素因数の和:7973

約数の個数: 72

約数和(自身を含む): 6406419264

約数和(自身を除く): 3742033984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 271, 320, 542, 640, 1084, 1280, 1355, 2168, 2710, 4336, 5420, 7681, 8672, 10840, 15362, 17344, 21680, 30724, 34688, 38405, 43360, 61448, 69376, 76810, 86720, 122896, 153620, 173440, 245792, 307240, 346880, 491584, 614480, 983168, 1228960, 1966336, 2081551, 2457920, 4163102, 4915840, 8326204, 9831680, 10407755, 16652408, 20815510, 33304816, 41631020, 66609632, 83262040, 133219264, 166524080, 266438528, 333048160, 532877056, 666096320, 1332192640, 2664385280]

約数ペア:

[(1, 2664385280), (2, 1332192640), (4, 666096320), (5, 532877056), (8, 333048160), (10, 266438528), (16, 166524080), (20, 133219264), (32, 83262040), (40, 66609632), (64, 41631020), (80, 33304816), (128, 20815510), (160, 16652408), (256, 10407755), (271, 9831680), (320, 8326204), (542, 4915840), (640, 4163102), (1084, 2457920), (1280, 2081551), (1355, 1966336), (2168, 1228960), (2710, 983168), (4336, 614480), (5420, 491584), (7681, 346880), (8672, 307240), (10840, 245792), (15362, 173440), (17344, 153620), (21680, 122896), (30724, 86720), (34688, 76810), (38405, 69376), (43360, 61448)]