68466720

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 288

約数和(自身を含む): 260620416

約数和(自身を除く): 192153696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 49, 56, 60, 70, 71, 80, 82, 84, 96, 98, 105, 112, 120, 123, 140, 142, 147, 160, 164, 168, 196, 205, 210, 213, 224, 240, 245, 246, 280, 284, 287, 294, 328, 336, 355, 392, 410, 420, 426, 480, 490, 492, 497, 560, 568, 574, 588, 615, 656, 672, 710, 735, 784, 820, 840, 852, 861, 980, 984, 994, 1065, 1120, 1136, 1148, 1176, 1230, 1312, 1420, 1435, 1470, 1491, 1568, 1640, 1680, 1704, 1722, 1960, 1968, 1988, 2009, 2130, 2272, 2296, 2352, 2460, 2485, 2840, 2870, 2911, 2940, 2982, 3280, 3360, 3408, 3444, 3479, 3920, 3936, 3976, 4018, 4260, 4305, 4592, 4704, 4920, 4970, 5680, 5740, 5822, 5880, 5964, 6027, 6560, 6816, 6888, 6958, 7455, 7840, 7952, 8036, 8520, 8610, 8733, 9184, 9840, 9940, 10045, 10437, 11360, 11480, 11644, 11760, 11928, 12054, 13776, 13916, 14555, 14910, 15904, 16072, 17040, 17220, 17395, 17466, 19680, 19880, 20090, 20377, 20874, 22960, 23288, 23520, 23856, 24108, 27552, 27832, 29110, 29820, 30135, 32144, 34080, 34440, 34790, 34932, 39760, 40180, 40754, 41748, 43665, 45920, 46576, 47712, 48216, 52185, 55664, 58220, 59640, 60270, 61131, 64288, 68880, 69580, 69864, 79520, 80360, 81508, 83496, 87330, 93152, 96432, 101885, 104370, 111328, 116440, 119280, 120540, 122262, 137760, 139160, 139728, 142639, 160720, 163016, 166992, 174660, 192864, 203770, 208740, 232880, 238560, 241080, 244524, 278320, 279456, 285278, 305655, 321440, 326032, 333984, 349320, 407540, 417480, 427917, 465760, 482160, 489048, 556640, 570556, 611310, 652064, 698640, 713195, 815080, 834960, 855834, 964320, 978096, 1141112, 1222620, 1397280, 1426390, 1630160, 1669920, 1711668, 1956192, 2139585, 2282224, 2445240, 2852780, 3260320, 3423336, 4279170, 4564448, 4890480, 5705560, 6846672, 8558340, 9780960, 11411120, 13693344, 17116680, 22822240, 34233360, 68466720]

約数ペア:

[(1, 68466720), (2, 34233360), (3, 22822240), (4, 17116680), (5, 13693344), (6, 11411120), (7, 9780960), (8, 8558340), (10, 6846672), (12, 5705560), (14, 4890480), (15, 4564448), (16, 4279170), (20, 3423336), (21, 3260320), (24, 2852780), (28, 2445240), (30, 2282224), (32, 2139585), (35, 1956192), (40, 1711668), (41, 1669920), (42, 1630160), (48, 1426390), (49, 1397280), (56, 1222620), (60, 1141112), (70, 978096), (71, 964320), (80, 855834), (82, 834960), (84, 815080), (96, 713195), (98, 698640), (105, 652064), (112, 611310), (120, 570556), (123, 556640), (140, 489048), (142, 482160), (147, 465760), (160, 427917), (164, 417480), (168, 407540), (196, 349320), (205, 333984), (210, 326032), (213, 321440), (224, 305655), (240, 285278), (245, 279456), (246, 278320), (280, 244524), (284, 241080), (287, 238560), (294, 232880), (328, 208740), (336, 203770), (355, 192864), (392, 174660), (410, 166992), (420, 163016), (426, 160720), (480, 142639), (490, 139728), (492, 139160), (497, 137760), (560, 122262), (568, 120540), (574, 119280), (588, 116440), (615, 111328), (656, 104370), (672, 101885), (710, 96432), (735, 93152), (784, 87330), (820, 83496), (840, 81508), (852, 80360), (861, 79520), (980, 69864), (984, 69580), (994, 68880), (1065, 64288), (1120, 61131), (1136, 60270), (1148, 59640), (1176, 58220), (1230, 55664), (1312, 52185), (1420, 48216), (1435, 47712), (1470, 46576), (1491, 45920), (1568, 43665), (1640, 41748), (1680, 40754), (1704, 40180), (1722, 39760), (1960, 34932), (1968, 34790), (1988, 34440), (2009, 34080), (2130, 32144), (2272, 30135), (2296, 29820), (2352, 29110), (2460, 27832), (2485, 27552), (2840, 24108), (2870, 23856), (2911, 23520), (2940, 23288), (2982, 22960), (3280, 20874), (3360, 20377), (3408, 20090), (3444, 19880), (3479, 19680), (3920, 17466), (3936, 17395), (3976, 17220), (4018, 17040), (4260, 16072), (4305, 15904), (4592, 14910), (4704, 14555), (4920, 13916), (4970, 13776), (5680, 12054), (5740, 11928), (5822, 11760), (5880, 11644), (5964, 11480), (6027, 11360), (6560, 10437), (6816, 10045), (6888, 9940), (6958, 9840), (7455, 9184), (7840, 8733), (7952, 8610), (8036, 8520)]