15287960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12329}}^1$

素因数の和:12371

約数の個数: 32

約数和(自身を含む): 35510400

約数和(自身を除く): 20222440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12329, 24658, 49316, 61645, 98632, 123290, 246580, 382199, 493160, 764398, 1528796, 1910995, 3057592, 3821990, 7643980, 15287960]

約数ペア:

[(1, 15287960), (2, 7643980), (4, 3821990), (5, 3057592), (8, 1910995), (10, 1528796), (20, 764398), (31, 493160), (40, 382199), (62, 246580), (124, 123290), (155, 98632), (248, 61645), (310, 49316), (620, 24658), (1240, 12329)]