164080520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1171}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 384791040

約数和(自身を除く): 220710520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 565, 620, 904, 1130, 1171, 1240, 2260, 2342, 3503, 4520, 4684, 5855, 7006, 9368, 11710, 14012, 17515, 23420, 28024, 35030, 36301, 46840, 70060, 72602, 132323, 140120, 145204, 181505, 264646, 290408, 363010, 529292, 661615, 726020, 1058584, 1323230, 1452040, 2646460, 4102013, 5292920, 8204026, 16408052, 20510065, 32816104, 41020130, 82040260, 164080520]

約数ペア:

[(1, 164080520), (2, 82040260), (4, 41020130), (5, 32816104), (8, 20510065), (10, 16408052), (20, 8204026), (31, 5292920), (40, 4102013), (62, 2646460), (113, 1452040), (124, 1323230), (155, 1058584), (226, 726020), (248, 661615), (310, 529292), (452, 363010), (565, 290408), (620, 264646), (904, 181505), (1130, 145204), (1171, 140120), (1240, 132323), (2260, 72602), (2342, 70060), (3503, 46840), (4520, 36301), (4684, 35030), (5855, 28024), (7006, 23420), (9368, 17515), (11710, 14012)]