15393980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3547}}^1$

素因数の和:3594

約数の個数: 48

約数和(自身を含む): 38148096

約数和(自身を除く): 22754116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 3547, 4340, 7094, 14188, 17735, 24829, 35470, 49658, 70940, 99316, 109957, 124145, 219914, 248290, 439828, 496580, 549785, 769699, 1099570, 1539398, 2199140, 3078796, 3848495, 7696990, 15393980]

約数ペア:

[(1, 15393980), (2, 7696990), (4, 3848495), (5, 3078796), (7, 2199140), (10, 1539398), (14, 1099570), (20, 769699), (28, 549785), (31, 496580), (35, 439828), (62, 248290), (70, 219914), (124, 124145), (140, 109957), (155, 99316), (217, 70940), (310, 49658), (434, 35470), (620, 24829), (868, 17735), (1085, 14188), (2170, 7094), (3547, 4340)]