123272120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1117}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 289785600

約数和(自身を除く): 166513480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 620, 712, 890, 1117, 1240, 1780, 2234, 2759, 3560, 4468, 5518, 5585, 8936, 11036, 11170, 13795, 22072, 22340, 27590, 34627, 44680, 55180, 69254, 99413, 110360, 138508, 173135, 198826, 277016, 346270, 397652, 497065, 692540, 795304, 994130, 1385080, 1988260, 3081803, 3976520, 6163606, 12327212, 15409015, 24654424, 30818030, 61636060, 123272120]

約数ペア:

[(1, 123272120), (2, 61636060), (4, 30818030), (5, 24654424), (8, 15409015), (10, 12327212), (20, 6163606), (31, 3976520), (40, 3081803), (62, 1988260), (89, 1385080), (124, 994130), (155, 795304), (178, 692540), (248, 497065), (310, 397652), (356, 346270), (445, 277016), (620, 198826), (712, 173135), (890, 138508), (1117, 110360), (1240, 99413), (1780, 69254), (2234, 55180), (2759, 44680), (3560, 34627), (4468, 27590), (5518, 22340), (5585, 22072), (8936, 13795), (11036, 11170)]