165094840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{631}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 385873920

約数和(自身を除く): 220779080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 310, 422, 620, 631, 844, 1055, 1240, 1262, 1688, 2110, 2524, 3155, 4220, 5048, 6310, 6541, 8440, 12620, 13082, 19561, 25240, 26164, 32705, 39122, 52328, 65410, 78244, 97805, 130820, 133141, 156488, 195610, 261640, 266282, 391220, 532564, 665705, 782440, 1065128, 1331410, 2662820, 4127371, 5325640, 8254742, 16509484, 20636855, 33018968, 41273710, 82547420, 165094840]

約数ペア:

[(1, 165094840), (2, 82547420), (4, 41273710), (5, 33018968), (8, 20636855), (10, 16509484), (20, 8254742), (31, 5325640), (40, 4127371), (62, 2662820), (124, 1331410), (155, 1065128), (211, 782440), (248, 665705), (310, 532564), (422, 391220), (620, 266282), (631, 261640), (844, 195610), (1055, 156488), (1240, 133141), (1262, 130820), (1688, 97805), (2110, 78244), (2524, 65410), (3155, 52328), (4220, 39122), (5048, 32705), (6310, 26164), (6541, 25240), (8440, 19561), (12620, 13082)]