15566520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1777}}^1$

素因数の和:1864

約数の個数: 64

約数和(自身を含む): 47365920

約数和(自身を除く): 31799400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 1777, 2190, 2920, 3554, 4380, 5331, 7108, 8760, 8885, 10662, 14216, 17770, 21324, 26655, 35540, 42648, 53310, 71080, 106620, 129721, 213240, 259442, 389163, 518884, 648605, 778326, 1037768, 1297210, 1556652, 1945815, 2594420, 3113304, 3891630, 5188840, 7783260, 15566520]

約数ペア:

[(1, 15566520), (2, 7783260), (3, 5188840), (4, 3891630), (5, 3113304), (6, 2594420), (8, 1945815), (10, 1556652), (12, 1297210), (15, 1037768), (20, 778326), (24, 648605), (30, 518884), (40, 389163), (60, 259442), (73, 213240), (120, 129721), (146, 106620), (219, 71080), (292, 53310), (365, 42648), (438, 35540), (584, 26655), (730, 21324), (876, 17770), (1095, 14216), (1460, 10662), (1752, 8885), (1777, 8760), (2190, 7108), (2920, 5331), (3554, 4380)]