87420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 48

約数和(自身を含む): 258048

約数和(自身を除く): 170628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 47, 60, 62, 93, 94, 124, 141, 155, 186, 188, 235, 282, 310, 372, 465, 470, 564, 620, 705, 930, 940, 1410, 1457, 1860, 2820, 2914, 4371, 5828, 7285, 8742, 14570, 17484, 21855, 29140, 43710, 87420]

約数ペア:

[(1, 87420), (2, 43710), (3, 29140), (4, 21855), (5, 17484), (6, 14570), (10, 8742), (12, 7285), (15, 5828), (20, 4371), (30, 2914), (31, 2820), (47, 1860), (60, 1457), (62, 1410), (93, 940), (94, 930), (124, 705), (141, 620), (155, 564), (186, 470), (188, 465), (235, 372), (282, 310)]