280671520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{797}}^1$

素因数の和:914

約数の個数: 96

約数和(自身を含む): 694987776

約数和(自身を除く): 414316256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 71, 80, 124, 142, 155, 160, 248, 284, 310, 355, 496, 568, 620, 710, 797, 992, 1136, 1240, 1420, 1594, 2201, 2272, 2480, 2840, 3188, 3985, 4402, 4960, 5680, 6376, 7970, 8804, 11005, 11360, 12752, 15940, 17608, 22010, 24707, 25504, 31880, 35216, 44020, 49414, 56587, 63760, 70432, 88040, 98828, 113174, 123535, 127520, 176080, 197656, 226348, 247070, 282935, 352160, 395312, 452696, 494140, 565870, 790624, 905392, 988280, 1131740, 1754197, 1810784, 1976560, 2263480, 3508394, 3953120, 4526960, 7016788, 8770985, 9053920, 14033576, 17541970, 28067152, 35083940, 56134304, 70167880, 140335760, 280671520]

約数ペア:

[(1, 280671520), (2, 140335760), (4, 70167880), (5, 56134304), (8, 35083940), (10, 28067152), (16, 17541970), (20, 14033576), (31, 9053920), (32, 8770985), (40, 7016788), (62, 4526960), (71, 3953120), (80, 3508394), (124, 2263480), (142, 1976560), (155, 1810784), (160, 1754197), (248, 1131740), (284, 988280), (310, 905392), (355, 790624), (496, 565870), (568, 494140), (620, 452696), (710, 395312), (797, 352160), (992, 282935), (1136, 247070), (1240, 226348), (1420, 197656), (1594, 176080), (2201, 127520), (2272, 123535), (2480, 113174), (2840, 98828), (3188, 88040), (3985, 70432), (4402, 63760), (4960, 56587), (5680, 49414), (6376, 44020), (7970, 35216), (8804, 31880), (11005, 25504), (11360, 24707), (12752, 22010), (15940, 17608)]