124840720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:824

約数の個数: 80

約数和(自身を含む): 304266240

約数和(自身を除く): 179425520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 248, 284, 310, 355, 496, 568, 620, 709, 710, 1136, 1240, 1418, 1420, 2201, 2480, 2836, 2840, 3545, 4402, 5672, 5680, 7090, 8804, 11005, 11344, 14180, 17608, 21979, 22010, 28360, 35216, 43958, 44020, 50339, 56720, 87916, 88040, 100678, 109895, 175832, 176080, 201356, 219790, 251695, 351664, 402712, 439580, 503390, 805424, 879160, 1006780, 1560509, 1758320, 2013560, 3121018, 4027120, 6242036, 7802545, 12484072, 15605090, 24968144, 31210180, 62420360, 124840720]

約数ペア:

[(1, 124840720), (2, 62420360), (4, 31210180), (5, 24968144), (8, 15605090), (10, 12484072), (16, 7802545), (20, 6242036), (31, 4027120), (40, 3121018), (62, 2013560), (71, 1758320), (80, 1560509), (124, 1006780), (142, 879160), (155, 805424), (248, 503390), (284, 439580), (310, 402712), (355, 351664), (496, 251695), (568, 219790), (620, 201356), (709, 176080), (710, 175832), (1136, 109895), (1240, 100678), (1418, 88040), (1420, 87916), (2201, 56720), (2480, 50339), (2836, 44020), (2840, 43958), (3545, 35216), (4402, 28360), (5672, 22010), (5680, 21979), (7090, 17608), (8804, 14180), (11005, 11344)]