168418120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1987}}^1$

素因数の和:2174

約数の個数: 64

約数和(自身を含む): 410800320

約数和(自身を除く): 242382200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 815, 1304, 1630, 1987, 2119, 3260, 3974, 4238, 6520, 7948, 8476, 9935, 10595, 15896, 16952, 19870, 21190, 25831, 39740, 42380, 51662, 79480, 84760, 103324, 129155, 206648, 258310, 323881, 516620, 647762, 1033240, 1295524, 1619405, 2591048, 3238810, 4210453, 6477620, 8420906, 12955240, 16841812, 21052265, 33683624, 42104530, 84209060, 168418120]

約数ペア:

[(1, 168418120), (2, 84209060), (4, 42104530), (5, 33683624), (8, 21052265), (10, 16841812), (13, 12955240), (20, 8420906), (26, 6477620), (40, 4210453), (52, 3238810), (65, 2591048), (104, 1619405), (130, 1295524), (163, 1033240), (260, 647762), (326, 516620), (520, 323881), (652, 258310), (815, 206648), (1304, 129155), (1630, 103324), (1987, 84760), (2119, 79480), (3260, 51662), (3974, 42380), (4238, 39740), (6520, 25831), (7948, 21190), (8476, 19870), (9935, 16952), (10595, 15896)]