80323480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:560

約数の個数: 64

約数和(自身を含む): 188052480

約数和(自身を除く): 107729000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 307, 310, 422, 614, 620, 844, 1055, 1228, 1240, 1535, 1688, 2110, 2456, 3070, 4220, 6140, 6541, 8440, 9517, 12280, 13082, 19034, 26164, 32705, 38068, 47585, 52328, 64777, 65410, 76136, 95170, 129554, 130820, 190340, 259108, 261640, 323885, 380680, 518216, 647770, 1295540, 2008087, 2591080, 4016174, 8032348, 10040435, 16064696, 20080870, 40161740, 80323480]

約数ペア:

[(1, 80323480), (2, 40161740), (4, 20080870), (5, 16064696), (8, 10040435), (10, 8032348), (20, 4016174), (31, 2591080), (40, 2008087), (62, 1295540), (124, 647770), (155, 518216), (211, 380680), (248, 323885), (307, 261640), (310, 259108), (422, 190340), (614, 130820), (620, 129554), (844, 95170), (1055, 76136), (1228, 65410), (1240, 64777), (1535, 52328), (1688, 47585), (2110, 38068), (2456, 32705), (3070, 26164), (4220, 19034), (6140, 13082), (6541, 12280), (8440, 9517)]