240489315

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1585

約数の個数: 72

約数和(自身を含む): 474299280

約数和(自身を除く): 233809965

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 121, 145, 165, 261, 319, 363, 435, 495, 605, 957, 1089, 1305, 1523, 1595, 1815, 2871, 3509, 4569, 4785, 5445, 7615, 10527, 13707, 14355, 16753, 17545, 22845, 31581, 44167, 50259, 52635, 68535, 83765, 132501, 150777, 157905, 184283, 220835, 251295, 397503, 485837, 552849, 662505, 753885, 921415, 1457511, 1658547, 1987515, 2429185, 2764245, 4372533, 5344207, 7287555, 8292735, 16032621, 21862665, 26721035, 48097863, 80163105, 240489315]

約数ペア:

[(1, 240489315), (3, 80163105), (5, 48097863), (9, 26721035), (11, 21862665), (15, 16032621), (29, 8292735), (33, 7287555), (45, 5344207), (55, 4372533), (87, 2764245), (99, 2429185), (121, 1987515), (145, 1658547), (165, 1457511), (261, 921415), (319, 753885), (363, 662505), (435, 552849), (495, 485837), (605, 397503), (957, 251295), (1089, 220835), (1305, 184283), (1523, 157905), (1595, 150777), (1815, 132501), (2871, 83765), (3509, 68535), (4569, 52635), (4785, 50259), (5445, 44167), (7615, 31581), (10527, 22845), (13707, 17545), (14355, 16753)]