31667120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^2$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 76679616

約数和(自身を除く): 45012496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 496, 565, 620, 904, 1130, 1240, 1808, 2260, 2480, 3503, 4520, 7006, 9040, 12769, 14012, 17515, 25538, 28024, 35030, 51076, 56048, 63845, 70060, 102152, 127690, 140120, 204304, 255380, 280240, 395839, 510760, 791678, 1021520, 1583356, 1979195, 3166712, 3958390, 6333424, 7916780, 15833560, 31667120]

約数ペア:

[(1, 31667120), (2, 15833560), (4, 7916780), (5, 6333424), (8, 3958390), (10, 3166712), (16, 1979195), (20, 1583356), (31, 1021520), (40, 791678), (62, 510760), (80, 395839), (113, 280240), (124, 255380), (155, 204304), (226, 140120), (248, 127690), (310, 102152), (452, 70060), (496, 63845), (565, 56048), (620, 51076), (904, 35030), (1130, 28024), (1240, 25538), (1808, 17515), (2260, 14012), (2480, 12769), (3503, 9040), (4520, 7006)]