87501780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10343}}^1$

素因数の和:10405

約数の個数: 72

約数和(自身を含む): 271095552

約数和(自身を除く): 183593772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 10343, 20686, 31029, 41372, 51715, 62058, 93087, 103430, 124116, 155145, 186174, 206860, 310290, 372348, 465435, 486121, 620580, 930870, 972242, 1458363, 1861740, 1944484, 2430605, 2916726, 4375089, 4861210, 5833452, 7291815, 8750178, 9722420, 14583630, 17500356, 21875445, 29167260, 43750890, 87501780]

約数ペア:

[(1, 87501780), (2, 43750890), (3, 29167260), (4, 21875445), (5, 17500356), (6, 14583630), (9, 9722420), (10, 8750178), (12, 7291815), (15, 5833452), (18, 4861210), (20, 4375089), (30, 2916726), (36, 2430605), (45, 1944484), (47, 1861740), (60, 1458363), (90, 972242), (94, 930870), (141, 620580), (180, 486121), (188, 465435), (235, 372348), (282, 310290), (423, 206860), (470, 186174), (564, 155145), (705, 124116), (846, 103430), (940, 93087), (1410, 62058), (1692, 51715), (2115, 41372), (2820, 31029), (4230, 20686), (8460, 10343)]