240974160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:722

約数の個数: 240

約数和(自身を含む): 898371072

約数和(自身を除く): 657396912

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 661, 735, 744, 784, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1322, 1470, 1488, 1519, 1680, 1736, 1860, 1960, 1983, 2170, 2352, 2480, 2604, 2644, 2940, 3038, 3255, 3305, 3472, 3720, 3920, 3966, 4340, 4557, 4627, 5208, 5288, 5880, 6076, 6510, 6610, 7440, 7595, 7932, 8680, 9114, 9254, 9915, 10416, 10576, 11760, 12152, 13020, 13220, 13881, 15190, 15864, 17360, 18228, 18508, 19830, 20491, 22785, 23135, 24304, 26040, 26440, 27762, 30380, 31728, 32389, 36456, 37016, 39660, 40982, 45570, 46270, 52080, 52880, 55524, 60760, 61473, 64778, 69405, 72912, 74032, 79320, 81964, 91140, 92540, 97167, 102455, 111048, 121520, 122946, 129556, 138810, 143437, 158640, 161945, 163928, 182280, 185080, 194334, 204910, 222096, 245892, 259112, 277620, 286874, 307365, 323890, 327856, 364560, 370160, 388668, 409820, 430311, 485835, 491784, 518224, 555240, 573748, 614730, 647780, 717185, 777336, 819640, 860622, 971670, 983568, 1004059, 1110480, 1147496, 1229460, 1295560, 1434370, 1554672, 1639280, 1721244, 1943340, 2008118, 2151555, 2294992, 2458920, 2591120, 2868740, 3012177, 3442488, 3886680, 4016236, 4303110, 4917840, 5020295, 5737480, 6024354, 6884976, 7773360, 8032472, 8606220, 10040590, 11474960, 12048708, 15060885, 16064944, 17212440, 20081180, 24097416, 30121770, 34424880, 40162360, 48194832, 60243540, 80324720, 120487080, 240974160]

約数ペア:

[(1, 240974160), (2, 120487080), (3, 80324720), (4, 60243540), (5, 48194832), (6, 40162360), (7, 34424880), (8, 30121770), (10, 24097416), (12, 20081180), (14, 17212440), (15, 16064944), (16, 15060885), (20, 12048708), (21, 11474960), (24, 10040590), (28, 8606220), (30, 8032472), (31, 7773360), (35, 6884976), (40, 6024354), (42, 5737480), (48, 5020295), (49, 4917840), (56, 4303110), (60, 4016236), (62, 3886680), (70, 3442488), (80, 3012177), (84, 2868740), (93, 2591120), (98, 2458920), (105, 2294992), (112, 2151555), (120, 2008118), (124, 1943340), (140, 1721244), (147, 1639280), (155, 1554672), (168, 1434370), (186, 1295560), (196, 1229460), (210, 1147496), (217, 1110480), (240, 1004059), (245, 983568), (248, 971670), (280, 860622), (294, 819640), (310, 777336), (336, 717185), (372, 647780), (392, 614730), (420, 573748), (434, 555240), (465, 518224), (490, 491784), (496, 485835), (560, 430311), (588, 409820), (620, 388668), (651, 370160), (661, 364560), (735, 327856), (744, 323890), (784, 307365), (840, 286874), (868, 277620), (930, 259112), (980, 245892), (1085, 222096), (1176, 204910), (1240, 194334), (1302, 185080), (1322, 182280), (1470, 163928), (1488, 161945), (1519, 158640), (1680, 143437), (1736, 138810), (1860, 129556), (1960, 122946), (1983, 121520), (2170, 111048), (2352, 102455), (2480, 97167), (2604, 92540), (2644, 91140), (2940, 81964), (3038, 79320), (3255, 74032), (3305, 72912), (3472, 69405), (3720, 64778), (3920, 61473), (3966, 60760), (4340, 55524), (4557, 52880), (4627, 52080), (5208, 46270), (5288, 45570), (5880, 40982), (6076, 39660), (6510, 37016), (6610, 36456), (7440, 32389), (7595, 31728), (7932, 30380), (8680, 27762), (9114, 26440), (9254, 26040), (9915, 24304), (10416, 23135), (10576, 22785), (11760, 20491), (12152, 19830), (13020, 18508), (13220, 18228), (13881, 17360), (15190, 15864)]