31342240

素因数分解:

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

素因数の和:206

約数の個数: 96

約数和(自身を含む): 78382080

約数和(自身を除く): 47039840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 71, 80, 89, 124, 142, 155, 160, 178, 248, 284, 310, 355, 356, 445, 496, 568, 620, 710, 712, 890, 992, 1136, 1240, 1420, 1424, 1780, 2201, 2272, 2480, 2759, 2840, 2848, 3560, 4402, 4960, 5518, 5680, 6319, 7120, 8804, 11005, 11036, 11360, 12638, 13795, 14240, 17608, 22010, 22072, 25276, 27590, 31595, 35216, 44020, 44144, 50552, 55180, 63190, 70432, 88040, 88288, 101104, 110360, 126380, 176080, 195889, 202208, 220720, 252760, 352160, 391778, 441440, 505520, 783556, 979445, 1011040, 1567112, 1958890, 3134224, 3917780, 6268448, 7835560, 15671120, 31342240]

約数ペア:

[(1, 31342240), (2, 15671120), (4, 7835560), (5, 6268448), (8, 3917780), (10, 3134224), (16, 1958890), (20, 1567112), (31, 1011040), (32, 979445), (40, 783556), (62, 505520), (71, 441440), (80, 391778), (89, 352160), (124, 252760), (142, 220720), (155, 202208), (160, 195889), (178, 176080), (248, 126380), (284, 110360), (310, 101104), (355, 88288), (356, 88040), (445, 70432), (496, 63190), (568, 55180), (620, 50552), (710, 44144), (712, 44020), (890, 35216), (992, 31595), (1136, 27590), (1240, 25276), (1420, 22072), (1424, 22010), (1780, 17608), (2201, 14240), (2272, 13795), (2480, 12638), (2759, 11360), (2840, 11036), (2848, 11005), (3560, 8804), (4402, 7120), (4960, 6319), (5518, 5680)]