31272660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2533

約数の個数: 72

約数和(自身を含む): 96235776

約数和(自身を除く): 64963116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2447, 2556, 3195, 4260, 4894, 6390, 7341, 9788, 12235, 12780, 14682, 22023, 24470, 29364, 36705, 44046, 48940, 73410, 88092, 110115, 146820, 173737, 220230, 347474, 440460, 521211, 694948, 868685, 1042422, 1563633, 1737370, 2084844, 2606055, 3127266, 3474740, 5212110, 6254532, 7818165, 10424220, 15636330, 31272660]

約数ペア:

[(1, 31272660), (2, 15636330), (3, 10424220), (4, 7818165), (5, 6254532), (6, 5212110), (9, 3474740), (10, 3127266), (12, 2606055), (15, 2084844), (18, 1737370), (20, 1563633), (30, 1042422), (36, 868685), (45, 694948), (60, 521211), (71, 440460), (90, 347474), (142, 220230), (180, 173737), (213, 146820), (284, 110115), (355, 88092), (426, 73410), (639, 48940), (710, 44046), (852, 36705), (1065, 29364), (1278, 24470), (1420, 22023), (2130, 14682), (2447, 12780), (2556, 12235), (3195, 9788), (4260, 7341), (4894, 6390)]