79647920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3174

約数の個数: 80

約数和(自身を含む): 209049120

約数和(自身を除く): 129401200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1160, 1276, 1595, 2320, 2552, 3121, 3190, 5104, 6242, 6380, 12484, 12760, 15605, 24968, 25520, 31210, 34331, 49936, 62420, 68662, 90509, 124840, 137324, 171655, 181018, 249680, 274648, 343310, 362036, 452545, 549296, 686620, 724072, 905090, 995599, 1373240, 1448144, 1810180, 1991198, 2746480, 3620360, 3982396, 4977995, 7240720, 7964792, 9955990, 15929584, 19911980, 39823960, 79647920]

約数ペア:

[(1, 79647920), (2, 39823960), (4, 19911980), (5, 15929584), (8, 9955990), (10, 7964792), (11, 7240720), (16, 4977995), (20, 3982396), (22, 3620360), (29, 2746480), (40, 1991198), (44, 1810180), (55, 1448144), (58, 1373240), (80, 995599), (88, 905090), (110, 724072), (116, 686620), (145, 549296), (176, 452545), (220, 362036), (232, 343310), (290, 274648), (319, 249680), (440, 181018), (464, 171655), (580, 137324), (638, 124840), (880, 90509), (1160, 68662), (1276, 62420), (1595, 49936), (2320, 34331), (2552, 31210), (3121, 25520), (3190, 24968), (5104, 15605), (6242, 12760), (6380, 12484)]