253086960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21521}}^1$

素因数の和:21551

約数の個数: 120

約数和(自身を含む): 912704976

約数和(自身を除く): 659618016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21521, 43042, 64563, 86084, 107605, 129126, 150647, 172168, 215210, 258252, 301294, 322815, 344336, 430420, 451941, 516504, 602588, 645630, 753235, 860840, 903882, 1033008, 1054529, 1205176, 1291260, 1506470, 1721680, 1807764, 2109058, 2259705, 2410352, 2582520, 3012940, 3163587, 3615528, 4218116, 4519410, 5165040, 5272645, 6025880, 6327174, 7231056, 8436232, 9038820, 10545290, 12051760, 12654348, 15817935, 16872464, 18077640, 21090580, 25308696, 31635870, 36155280, 42181160, 50617392, 63271740, 84362320, 126543480, 253086960]

約数ペア:

[(1, 253086960), (2, 126543480), (3, 84362320), (4, 63271740), (5, 50617392), (6, 42181160), (7, 36155280), (8, 31635870), (10, 25308696), (12, 21090580), (14, 18077640), (15, 16872464), (16, 15817935), (20, 12654348), (21, 12051760), (24, 10545290), (28, 9038820), (30, 8436232), (35, 7231056), (40, 6327174), (42, 6025880), (48, 5272645), (49, 5165040), (56, 4519410), (60, 4218116), (70, 3615528), (80, 3163587), (84, 3012940), (98, 2582520), (105, 2410352), (112, 2259705), (120, 2109058), (140, 1807764), (147, 1721680), (168, 1506470), (196, 1291260), (210, 1205176), (240, 1054529), (245, 1033008), (280, 903882), (294, 860840), (336, 753235), (392, 645630), (420, 602588), (490, 516504), (560, 451941), (588, 430420), (735, 344336), (784, 322815), (840, 301294), (980, 258252), (1176, 215210), (1470, 172168), (1680, 150647), (1960, 129126), (2352, 107605), (2940, 86084), (3920, 64563), (5880, 43042), (11760, 21521)]