67508080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 163989504

約数和(自身を除く): 96481424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 163, 167, 248, 310, 326, 334, 496, 620, 652, 668, 815, 835, 1240, 1304, 1336, 1630, 1670, 2480, 2608, 2672, 3260, 3340, 5053, 5177, 6520, 6680, 10106, 10354, 13040, 13360, 20212, 20708, 25265, 25885, 27221, 40424, 41416, 50530, 51770, 54442, 80848, 82832, 101060, 103540, 108884, 136105, 202120, 207080, 217768, 272210, 404240, 414160, 435536, 544420, 843851, 1088840, 1687702, 2177680, 3375404, 4219255, 6750808, 8438510, 13501616, 16877020, 33754040, 67508080]

約数ペア:

[(1, 67508080), (2, 33754040), (4, 16877020), (5, 13501616), (8, 8438510), (10, 6750808), (16, 4219255), (20, 3375404), (31, 2177680), (40, 1687702), (62, 1088840), (80, 843851), (124, 544420), (155, 435536), (163, 414160), (167, 404240), (248, 272210), (310, 217768), (326, 207080), (334, 202120), (496, 136105), (620, 108884), (652, 103540), (668, 101060), (815, 82832), (835, 80848), (1240, 54442), (1304, 51770), (1336, 50530), (1630, 41416), (1670, 40424), (2480, 27221), (2608, 25885), (2672, 25265), (3260, 20708), (3340, 20212), (5053, 13360), (5177, 13040), (6520, 10354), (6680, 10106)]