661427088

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^3\times {\mathrm{41}}^1$

素因数の和:123

約数の個数: 240

約数和(自身を含む): 2149237440

約数和(自身を除く): 1487810352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 41, 42, 48, 49, 56, 57, 76, 82, 84, 98, 112, 114, 123, 133, 147, 152, 164, 168, 196, 228, 246, 266, 287, 294, 304, 328, 336, 361, 392, 399, 456, 492, 532, 574, 588, 656, 722, 779, 784, 798, 861, 912, 931, 984, 1064, 1083, 1148, 1176, 1444, 1558, 1596, 1722, 1862, 1968, 2009, 2128, 2166, 2296, 2337, 2352, 2527, 2793, 2888, 3116, 3192, 3444, 3724, 4018, 4332, 4592, 4674, 5054, 5453, 5586, 5776, 6027, 6232, 6384, 6859, 6888, 7448, 7581, 8036, 8664, 9348, 10108, 10906, 11172, 12054, 12464, 13718, 13776, 14801, 14896, 15162, 16072, 16359, 17328, 17689, 18696, 20216, 20577, 21812, 22344, 24108, 27436, 29602, 30324, 32144, 32718, 35378, 37392, 38171, 40432, 41154, 43624, 44403, 44688, 48013, 48216, 53067, 54872, 59204, 60648, 65436, 70756, 76342, 82308, 87248, 88806, 96026, 96432, 103607, 106134, 109744, 114513, 118408, 121296, 130872, 141512, 144039, 152684, 164616, 177612, 192052, 207214, 212268, 229026, 236816, 261744, 281219, 283024, 288078, 305368, 310821, 329232, 336091, 355224, 384104, 414428, 424536, 458052, 562438, 576156, 610736, 621642, 672182, 710448, 725249, 768208, 828856, 843657, 849072, 916104, 1008273, 1124876, 1152312, 1243284, 1344364, 1450498, 1657712, 1687314, 1832208, 1968533, 2016546, 2175747, 2249752, 2304624, 2486568, 2688728, 2900996, 3374628, 3937066, 4033092, 4351494, 4499504, 4973136, 5377456, 5801992, 5905599, 6749256, 7874132, 8066184, 8702988, 11603984, 11811198, 13498512, 13779731, 15748264, 16132368, 17405976, 23622396, 27559462, 31496528, 34811952, 41339193, 47244792, 55118924, 82678386, 94489584, 110237848, 165356772, 220475696, 330713544, 661427088]

約数ペア:

[(1, 661427088), (2, 330713544), (3, 220475696), (4, 165356772), (6, 110237848), (7, 94489584), (8, 82678386), (12, 55118924), (14, 47244792), (16, 41339193), (19, 34811952), (21, 31496528), (24, 27559462), (28, 23622396), (38, 17405976), (41, 16132368), (42, 15748264), (48, 13779731), (49, 13498512), (56, 11811198), (57, 11603984), (76, 8702988), (82, 8066184), (84, 7874132), (98, 6749256), (112, 5905599), (114, 5801992), (123, 5377456), (133, 4973136), (147, 4499504), (152, 4351494), (164, 4033092), (168, 3937066), (196, 3374628), (228, 2900996), (246, 2688728), (266, 2486568), (287, 2304624), (294, 2249752), (304, 2175747), (328, 2016546), (336, 1968533), (361, 1832208), (392, 1687314), (399, 1657712), (456, 1450498), (492, 1344364), (532, 1243284), (574, 1152312), (588, 1124876), (656, 1008273), (722, 916104), (779, 849072), (784, 843657), (798, 828856), (861, 768208), (912, 725249), (931, 710448), (984, 672182), (1064, 621642), (1083, 610736), (1148, 576156), (1176, 562438), (1444, 458052), (1558, 424536), (1596, 414428), (1722, 384104), (1862, 355224), (1968, 336091), (2009, 329232), (2128, 310821), (2166, 305368), (2296, 288078), (2337, 283024), (2352, 281219), (2527, 261744), (2793, 236816), (2888, 229026), (3116, 212268), (3192, 207214), (3444, 192052), (3724, 177612), (4018, 164616), (4332, 152684), (4592, 144039), (4674, 141512), (5054, 130872), (5453, 121296), (5586, 118408), (5776, 114513), (6027, 109744), (6232, 106134), (6384, 103607), (6859, 96432), (6888, 96026), (7448, 88806), (7581, 87248), (8036, 82308), (8664, 76342), (9348, 70756), (10108, 65436), (10906, 60648), (11172, 59204), (12054, 54872), (12464, 53067), (13718, 48216), (13776, 48013), (14801, 44688), (14896, 44403), (15162, 43624), (16072, 41154), (16359, 40432), (17328, 38171), (17689, 37392), (18696, 35378), (20216, 32718), (20577, 32144), (21812, 30324), (22344, 29602), (24108, 27436)]