31215120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1151}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 97708032

約数和(自身を除く): 66492912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 904, 1130, 1151, 1356, 1695, 1808, 2260, 2302, 2712, 3390, 3453, 4520, 4604, 5424, 5755, 6780, 6906, 9040, 9208, 11510, 13560, 13812, 17265, 18416, 23020, 27120, 27624, 34530, 46040, 55248, 69060, 92080, 130063, 138120, 260126, 276240, 390189, 520252, 650315, 780378, 1040504, 1300630, 1560756, 1950945, 2081008, 2601260, 3121512, 3901890, 5202520, 6243024, 7803780, 10405040, 15607560, 31215120]

約数ペア:

[(1, 31215120), (2, 15607560), (3, 10405040), (4, 7803780), (5, 6243024), (6, 5202520), (8, 3901890), (10, 3121512), (12, 2601260), (15, 2081008), (16, 1950945), (20, 1560756), (24, 1300630), (30, 1040504), (40, 780378), (48, 650315), (60, 520252), (80, 390189), (113, 276240), (120, 260126), (226, 138120), (240, 130063), (339, 92080), (452, 69060), (565, 55248), (678, 46040), (904, 34530), (1130, 27624), (1151, 27120), (1356, 23020), (1695, 18416), (1808, 17265), (2260, 13812), (2302, 13560), (2712, 11510), (3390, 9208), (3453, 9040), (4520, 6906), (4604, 6780), (5424, 5755)]