15308920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3163}}^1$

素因数の和:3196

約数の個数: 48

約数和(自身を含む): 37873080

約数和(自身を除く): 22564160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3163, 4840, 6326, 12652, 15815, 25304, 31630, 34793, 63260, 69586, 126520, 139172, 173965, 278344, 347930, 382723, 695860, 765446, 1391720, 1530892, 1913615, 3061784, 3827230, 7654460, 15308920]

約数ペア:

[(1, 15308920), (2, 7654460), (4, 3827230), (5, 3061784), (8, 1913615), (10, 1530892), (11, 1391720), (20, 765446), (22, 695860), (40, 382723), (44, 347930), (55, 278344), (88, 173965), (110, 139172), (121, 126520), (220, 69586), (242, 63260), (440, 34793), (484, 31630), (605, 25304), (968, 15815), (1210, 12652), (2420, 6326), (3163, 4840)]