87874890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71443}}^1$

素因数の和:71494

約数の個数: 32

約数和(自身を含む): 216046656

約数和(自身を除く): 128171766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 71443, 142886, 214329, 357215, 428658, 714430, 1071645, 2143290, 2929163, 5858326, 8787489, 14645815, 17574978, 29291630, 43937445, 87874890]

約数ペア:

[(1, 87874890), (2, 43937445), (3, 29291630), (5, 17574978), (6, 14645815), (10, 8787489), (15, 5858326), (30, 2929163), (41, 2143290), (82, 1071645), (123, 714430), (205, 428658), (246, 357215), (410, 214329), (615, 142886), (1230, 71443)]