15671120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 22897840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 89, 124, 142, 155, 178, 248, 284, 310, 355, 356, 445, 496, 568, 620, 710, 712, 890, 1136, 1240, 1420, 1424, 1780, 2201, 2480, 2759, 2840, 3560, 4402, 5518, 5680, 6319, 7120, 8804, 11005, 11036, 12638, 13795, 17608, 22010, 22072, 25276, 27590, 31595, 35216, 44020, 44144, 50552, 55180, 63190, 88040, 101104, 110360, 126380, 176080, 195889, 220720, 252760, 391778, 505520, 783556, 979445, 1567112, 1958890, 3134224, 3917780, 7835560, 15671120]

約数ペア:

[(1, 15671120), (2, 7835560), (4, 3917780), (5, 3134224), (8, 1958890), (10, 1567112), (16, 979445), (20, 783556), (31, 505520), (40, 391778), (62, 252760), (71, 220720), (80, 195889), (89, 176080), (124, 126380), (142, 110360), (155, 101104), (178, 88040), (248, 63190), (284, 55180), (310, 50552), (355, 44144), (356, 44020), (445, 35216), (496, 31595), (568, 27590), (620, 25276), (710, 22072), (712, 22010), (890, 17608), (1136, 13795), (1240, 12638), (1420, 11036), (1424, 11005), (1780, 8804), (2201, 7120), (2480, 6319), (2759, 5680), (2840, 5518), (3560, 4402)]