128243240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1831}}^1$

素因数の和:1962

約数の個数: 64

約数和(自身を含む): 308655360

約数和(自身を除く): 180412120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 206, 340, 412, 515, 680, 824, 1030, 1751, 1831, 2060, 3502, 3662, 4120, 7004, 7324, 8755, 9155, 14008, 14648, 17510, 18310, 31127, 35020, 36620, 62254, 70040, 73240, 124508, 155635, 188593, 249016, 311270, 377186, 622540, 754372, 942965, 1245080, 1508744, 1885930, 3206081, 3771860, 6412162, 7543720, 12824324, 16030405, 25648648, 32060810, 64121620, 128243240]

約数ペア:

[(1, 128243240), (2, 64121620), (4, 32060810), (5, 25648648), (8, 16030405), (10, 12824324), (17, 7543720), (20, 6412162), (34, 3771860), (40, 3206081), (68, 1885930), (85, 1508744), (103, 1245080), (136, 942965), (170, 754372), (206, 622540), (340, 377186), (412, 311270), (515, 249016), (680, 188593), (824, 155635), (1030, 124508), (1751, 73240), (1831, 70040), (2060, 62254), (3502, 36620), (3662, 35020), (4120, 31127), (7004, 18310), (7324, 17510), (8755, 14648), (9155, 14008)]