15116840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 35804160

約数和(自身を除く): 20687320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 167, 248, 292, 310, 334, 365, 584, 620, 668, 730, 835, 1240, 1336, 1460, 1670, 2263, 2920, 3340, 4526, 5177, 6680, 9052, 10354, 11315, 12191, 18104, 20708, 22630, 24382, 25885, 41416, 45260, 48764, 51770, 60955, 90520, 97528, 103540, 121910, 207080, 243820, 377921, 487640, 755842, 1511684, 1889605, 3023368, 3779210, 7558420, 15116840]

約数ペア:

[(1, 15116840), (2, 7558420), (4, 3779210), (5, 3023368), (8, 1889605), (10, 1511684), (20, 755842), (31, 487640), (40, 377921), (62, 243820), (73, 207080), (124, 121910), (146, 103540), (155, 97528), (167, 90520), (248, 60955), (292, 51770), (310, 48764), (334, 45260), (365, 41416), (584, 25885), (620, 24382), (668, 22630), (730, 20708), (835, 18104), (1240, 12191), (1336, 11315), (1460, 10354), (1670, 9052), (2263, 6680), (2920, 5177), (3340, 4526)]