30787960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3547}}^1$

素因数の和:3596

約数の個数: 64

約数和(自身を含む): 81745920

約数和(自身を除く): 50957960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 3547, 4340, 7094, 8680, 14188, 17735, 24829, 28376, 35470, 49658, 70940, 99316, 109957, 124145, 141880, 198632, 219914, 248290, 439828, 496580, 549785, 769699, 879656, 993160, 1099570, 1539398, 2199140, 3078796, 3848495, 4398280, 6157592, 7696990, 15393980, 30787960]

約数ペア:

[(1, 30787960), (2, 15393980), (4, 7696990), (5, 6157592), (7, 4398280), (8, 3848495), (10, 3078796), (14, 2199140), (20, 1539398), (28, 1099570), (31, 993160), (35, 879656), (40, 769699), (56, 549785), (62, 496580), (70, 439828), (124, 248290), (140, 219914), (155, 198632), (217, 141880), (248, 124145), (280, 109957), (310, 99316), (434, 70940), (620, 49658), (868, 35470), (1085, 28376), (1240, 24829), (1736, 17735), (2170, 14188), (3547, 8680), (4340, 7094)]