661707648

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2647}}^1$

素因数の和:2705

約数の個数: 192

約数和(自身を含む): 2247198720

約数和(自身を除く): 1585491072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 576, 651, 672, 744, 868, 896, 992, 1008, 1116, 1152, 1302, 1344, 1488, 1736, 1953, 1984, 2016, 2232, 2604, 2647, 2688, 2976, 3472, 3906, 3968, 4032, 4464, 5208, 5294, 5952, 6944, 7812, 7941, 8064, 8928, 10416, 10588, 11904, 13888, 15624, 15882, 17856, 18529, 20832, 21176, 23823, 27776, 31248, 31764, 35712, 37058, 41664, 42352, 47646, 55587, 62496, 63528, 74116, 82057, 83328, 84704, 95292, 111174, 124992, 127056, 148232, 164114, 166761, 169408, 190584, 222348, 246171, 249984, 254112, 296464, 328228, 333522, 338816, 381168, 444696, 492342, 508224, 574399, 592928, 656456, 667044, 738513, 762336, 889392, 984684, 1016448, 1148798, 1185856, 1312912, 1334088, 1477026, 1524672, 1723197, 1778784, 1969368, 2297596, 2371712, 2625824, 2668176, 2954052, 3049344, 3446394, 3557568, 3938736, 4595192, 5169591, 5251648, 5336352, 5908104, 6892788, 7115136, 7877472, 9190384, 10339182, 10503296, 10672704, 11816208, 13785576, 15754944, 18380768, 20678364, 21345408, 23632416, 27571152, 31509888, 36761536, 41356728, 47264832, 55142304, 73523072, 82713456, 94529664, 110284608, 165426912, 220569216, 330853824, 661707648]

約数ペア:

[(1, 661707648), (2, 330853824), (3, 220569216), (4, 165426912), (6, 110284608), (7, 94529664), (8, 82713456), (9, 73523072), (12, 55142304), (14, 47264832), (16, 41356728), (18, 36761536), (21, 31509888), (24, 27571152), (28, 23632416), (31, 21345408), (32, 20678364), (36, 18380768), (42, 15754944), (48, 13785576), (56, 11816208), (62, 10672704), (63, 10503296), (64, 10339182), (72, 9190384), (84, 7877472), (93, 7115136), (96, 6892788), (112, 5908104), (124, 5336352), (126, 5251648), (128, 5169591), (144, 4595192), (168, 3938736), (186, 3557568), (192, 3446394), (217, 3049344), (224, 2954052), (248, 2668176), (252, 2625824), (279, 2371712), (288, 2297596), (336, 1969368), (372, 1778784), (384, 1723197), (434, 1524672), (448, 1477026), (496, 1334088), (504, 1312912), (558, 1185856), (576, 1148798), (651, 1016448), (672, 984684), (744, 889392), (868, 762336), (896, 738513), (992, 667044), (1008, 656456), (1116, 592928), (1152, 574399), (1302, 508224), (1344, 492342), (1488, 444696), (1736, 381168), (1953, 338816), (1984, 333522), (2016, 328228), (2232, 296464), (2604, 254112), (2647, 249984), (2688, 246171), (2976, 222348), (3472, 190584), (3906, 169408), (3968, 166761), (4032, 164114), (4464, 148232), (5208, 127056), (5294, 124992), (5952, 111174), (6944, 95292), (7812, 84704), (7941, 83328), (8064, 82057), (8928, 74116), (10416, 63528), (10588, 62496), (11904, 55587), (13888, 47646), (15624, 42352), (15882, 41664), (17856, 37058), (18529, 35712), (20832, 31764), (21176, 31248), (23823, 27776)]