90472880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^2$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 218277696

約数和(自身を除く): 127804816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 191, 248, 310, 382, 496, 620, 764, 955, 1240, 1528, 1910, 2480, 3056, 3820, 5921, 7640, 11842, 15280, 23684, 29605, 36481, 47368, 59210, 72962, 94736, 118420, 145924, 182405, 236840, 291848, 364810, 473680, 583696, 729620, 1130911, 1459240, 2261822, 2918480, 4523644, 5654555, 9047288, 11309110, 18094576, 22618220, 45236440, 90472880]

約数ペア:

[(1, 90472880), (2, 45236440), (4, 22618220), (5, 18094576), (8, 11309110), (10, 9047288), (16, 5654555), (20, 4523644), (31, 2918480), (40, 2261822), (62, 1459240), (80, 1130911), (124, 729620), (155, 583696), (191, 473680), (248, 364810), (310, 291848), (382, 236840), (496, 182405), (620, 145924), (764, 118420), (955, 94736), (1240, 72962), (1528, 59210), (1910, 47368), (2480, 36481), (3056, 29605), (3820, 23684), (5921, 15280), (7640, 11842)]