261567240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6833}}^1$

素因数の和:6887

約数の個数: 128

約数和(自身を含む): 885686400

約数和(自身を除く): 624119160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 580, 638, 660, 696, 870, 957, 1160, 1276, 1320, 1595, 1740, 1914, 2552, 3190, 3480, 3828, 4785, 6380, 6833, 7656, 9570, 12760, 13666, 19140, 20499, 27332, 34165, 38280, 40998, 54664, 68330, 75163, 81996, 102495, 136660, 150326, 163992, 198157, 204990, 225489, 273320, 300652, 375815, 396314, 409980, 450978, 594471, 601304, 751630, 792628, 819960, 901956, 990785, 1127445, 1188942, 1503260, 1585256, 1803912, 1981570, 2179727, 2254890, 2377884, 2972355, 3006520, 3963140, 4359454, 4509780, 4755768, 5944710, 6539181, 7926280, 8718908, 9019560, 10898635, 11889420, 13078362, 17437816, 21797270, 23778840, 26156724, 32695905, 43594540, 52313448, 65391810, 87189080, 130783620, 261567240]

約数ペア:

[(1, 261567240), (2, 130783620), (3, 87189080), (4, 65391810), (5, 52313448), (6, 43594540), (8, 32695905), (10, 26156724), (11, 23778840), (12, 21797270), (15, 17437816), (20, 13078362), (22, 11889420), (24, 10898635), (29, 9019560), (30, 8718908), (33, 7926280), (40, 6539181), (44, 5944710), (55, 4755768), (58, 4509780), (60, 4359454), (66, 3963140), (87, 3006520), (88, 2972355), (110, 2377884), (116, 2254890), (120, 2179727), (132, 1981570), (145, 1803912), (165, 1585256), (174, 1503260), (220, 1188942), (232, 1127445), (264, 990785), (290, 901956), (319, 819960), (330, 792628), (348, 751630), (435, 601304), (440, 594471), (580, 450978), (638, 409980), (660, 396314), (696, 375815), (870, 300652), (957, 273320), (1160, 225489), (1276, 204990), (1320, 198157), (1595, 163992), (1740, 150326), (1914, 136660), (2552, 102495), (3190, 81996), (3480, 75163), (3828, 68330), (4785, 54664), (6380, 40998), (6833, 38280), (7656, 34165), (9570, 27332), (12760, 20499), (13666, 19140)]