865430040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{457}}^1$

素因数の和:881

約数の個数: 128

約数和(自身を含む): 2669736960

約数和(自身を除く): 1804306920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 367, 430, 457, 516, 645, 734, 860, 914, 1032, 1101, 1290, 1371, 1468, 1720, 1828, 1835, 2202, 2285, 2580, 2742, 2936, 3656, 3670, 4404, 4570, 5160, 5484, 5505, 6855, 7340, 8808, 9140, 10968, 11010, 13710, 14680, 15781, 18280, 19651, 22020, 27420, 31562, 39302, 44040, 47343, 54840, 58953, 63124, 78604, 78905, 94686, 98255, 117906, 126248, 157208, 157810, 167719, 189372, 196510, 235812, 236715, 294765, 315620, 335438, 378744, 393020, 471624, 473430, 503157, 589530, 631240, 670876, 786040, 838595, 946860, 1006314, 1179060, 1341752, 1677190, 1893720, 2012628, 2358120, 2515785, 3354380, 4025256, 5031570, 6708760, 7211917, 10063140, 14423834, 20126280, 21635751, 28847668, 36059585, 43271502, 57695336, 72119170, 86543004, 108178755, 144238340, 173086008, 216357510, 288476680, 432715020, 865430040]

約数ペア:

[(1, 865430040), (2, 432715020), (3, 288476680), (4, 216357510), (5, 173086008), (6, 144238340), (8, 108178755), (10, 86543004), (12, 72119170), (15, 57695336), (20, 43271502), (24, 36059585), (30, 28847668), (40, 21635751), (43, 20126280), (60, 14423834), (86, 10063140), (120, 7211917), (129, 6708760), (172, 5031570), (215, 4025256), (258, 3354380), (344, 2515785), (367, 2358120), (430, 2012628), (457, 1893720), (516, 1677190), (645, 1341752), (734, 1179060), (860, 1006314), (914, 946860), (1032, 838595), (1101, 786040), (1290, 670876), (1371, 631240), (1468, 589530), (1720, 503157), (1828, 473430), (1835, 471624), (2202, 393020), (2285, 378744), (2580, 335438), (2742, 315620), (2936, 294765), (3656, 236715), (3670, 235812), (4404, 196510), (4570, 189372), (5160, 167719), (5484, 157810), (5505, 157208), (6855, 126248), (7340, 117906), (8808, 98255), (9140, 94686), (10968, 78905), (11010, 78604), (13710, 63124), (14680, 58953), (15781, 54840), (18280, 47343), (19651, 44040), (22020, 39302), (27420, 31562)]