80508480

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6451}}^1$

素因数の和:6484

約数の個数: 112

約数和(自身を含む): 275319744

約数和(自身を除く): 194811264

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, 6451, 12480, 12902, 19353, 25804, 32255, 38706, 51608, 64510, 77412, 83863, 96765, 103216, 129020, 154824, 167726, 193530, 206432, 251589, 258040, 309648, 335452, 387060, 412864, 419315, 503178, 516080, 619296, 670904, 774120, 838630, 1006356, 1032160, 1238592, 1257945, 1341808, 1548240, 1677260, 2012712, 2064320, 2515890, 2683616, 3096480, 3354520, 4025424, 5031780, 5367232, 6192960, 6709040, 8050848, 10063560, 13418080, 16101696, 20127120, 26836160, 40254240, 80508480]

約数ペア:

[(1, 80508480), (2, 40254240), (3, 26836160), (4, 20127120), (5, 16101696), (6, 13418080), (8, 10063560), (10, 8050848), (12, 6709040), (13, 6192960), (15, 5367232), (16, 5031780), (20, 4025424), (24, 3354520), (26, 3096480), (30, 2683616), (32, 2515890), (39, 2064320), (40, 2012712), (48, 1677260), (52, 1548240), (60, 1341808), (64, 1257945), (65, 1238592), (78, 1032160), (80, 1006356), (96, 838630), (104, 774120), (120, 670904), (130, 619296), (156, 516080), (160, 503178), (192, 419315), (195, 412864), (208, 387060), (240, 335452), (260, 309648), (312, 258040), (320, 251589), (390, 206432), (416, 193530), (480, 167726), (520, 154824), (624, 129020), (780, 103216), (832, 96765), (960, 83863), (1040, 77412), (1248, 64510), (1560, 51608), (2080, 38706), (2496, 32255), (3120, 25804), (4160, 19353), (6240, 12902), (6451, 12480)]