8742144280

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1\times {\mathrm{1607}}^1$

素因数の和:2368

約数の個数: 64

約数和(自身を含む): 19790749440

約数和(自身を除く): 11048605160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 443, 614, 886, 1228, 1535, 1607, 1772, 2215, 2456, 3070, 3214, 3544, 4430, 6140, 6428, 8035, 8860, 12280, 12856, 16070, 17720, 32140, 64280, 136001, 272002, 493349, 544004, 680005, 711901, 986698, 1088008, 1360010, 1423802, 1973396, 2466745, 2720020, 2847604, 3559505, 3946792, 4933490, 5440040, 5695208, 7119010, 9866980, 14238020, 19733960, 28476040, 218553607, 437107214, 874214428, 1092768035, 1748428856, 2185536070, 4371072140, 8742144280]

約数ペア:

[(1, 8742144280), (2, 4371072140), (4, 2185536070), (5, 1748428856), (8, 1092768035), (10, 874214428), (20, 437107214), (40, 218553607), (307, 28476040), (443, 19733960), (614, 14238020), (886, 9866980), (1228, 7119010), (1535, 5695208), (1607, 5440040), (1772, 4933490), (2215, 3946792), (2456, 3559505), (3070, 2847604), (3214, 2720020), (3544, 2466745), (4430, 1973396), (6140, 1423802), (6428, 1360010), (8035, 1088008), (8860, 986698), (12280, 711901), (12856, 680005), (16070, 544004), (17720, 493349), (32140, 272002), (64280, 136001)]