12664120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1508

約数の個数: 64

約数和(自身を含む): 33638400

約数和(自身を除く): 20974280

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, 1459, 1736, 2170, 2918, 4340, 5836, 7295, 8680, 10213, 11672, 14590, 20426, 29180, 40852, 45229, 51065, 58360, 81704, 90458, 102130, 180916, 204260, 226145, 316603, 361832, 408520, 452290, 633206, 904580, 1266412, 1583015, 1809160, 2532824, 3166030, 6332060, 12664120]

約数ペア:

[(1, 12664120), (2, 6332060), (4, 3166030), (5, 2532824), (7, 1809160), (8, 1583015), (10, 1266412), (14, 904580), (20, 633206), (28, 452290), (31, 408520), (35, 361832), (40, 316603), (56, 226145), (62, 204260), (70, 180916), (124, 102130), (140, 90458), (155, 81704), (217, 58360), (248, 51065), (280, 45229), (310, 40852), (434, 29180), (620, 20426), (868, 14590), (1085, 11672), (1240, 10213), (1459, 8680), (1736, 7295), (2170, 5836), (2918, 4340)]