15831990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 26745930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 191, 270, 307, 382, 573, 614, 921, 955, 1146, 1535, 1719, 1842, 1910, 2763, 2865, 3070, 3438, 4605, 5157, 5526, 5730, 8289, 8595, 9210, 10314, 13815, 16578, 17190, 25785, 27630, 41445, 51570, 58637, 82890, 117274, 175911, 293185, 351822, 527733, 586370, 879555, 1055466, 1583199, 1759110, 2638665, 3166398, 5277330, 7915995, 15831990]

約数ペア:

[(1, 15831990), (2, 7915995), (3, 5277330), (5, 3166398), (6, 2638665), (9, 1759110), (10, 1583199), (15, 1055466), (18, 879555), (27, 586370), (30, 527733), (45, 351822), (54, 293185), (90, 175911), (135, 117274), (191, 82890), (270, 58637), (307, 51570), (382, 41445), (573, 27630), (614, 25785), (921, 17190), (955, 16578), (1146, 13815), (1535, 10314), (1719, 9210), (1842, 8595), (1910, 8289), (2763, 5730), (2865, 5526), (3070, 5157), (3438, 4605)]