172551080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1987}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 420819840

約数和(自身を除く): 248268760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 668, 835, 1336, 1670, 1987, 2171, 3340, 3974, 4342, 6680, 7948, 8684, 9935, 10855, 15896, 17368, 19870, 21710, 25831, 39740, 43420, 51662, 79480, 86840, 103324, 129155, 206648, 258310, 331829, 516620, 663658, 1033240, 1327316, 1659145, 2654632, 3318290, 4313777, 6636580, 8627554, 13273160, 17255108, 21568885, 34510216, 43137770, 86275540, 172551080]

約数ペア:

[(1, 172551080), (2, 86275540), (4, 43137770), (5, 34510216), (8, 21568885), (10, 17255108), (13, 13273160), (20, 8627554), (26, 6636580), (40, 4313777), (52, 3318290), (65, 2654632), (104, 1659145), (130, 1327316), (167, 1033240), (260, 663658), (334, 516620), (520, 331829), (668, 258310), (835, 206648), (1336, 129155), (1670, 103324), (1987, 86840), (2171, 79480), (3340, 51662), (3974, 43420), (4342, 39740), (6680, 25831), (7948, 21710), (8684, 19870), (9935, 17368), (10855, 15896)]