2787732640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3187}}^1$

素因数の和:3291

約数の個数: 192

約数和(自身を含む): 8329402368

約数和(自身を除く): 5541669728

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 160, 176, 220, 224, 280, 284, 308, 352, 355, 385, 440, 497, 560, 568, 616, 710, 770, 781, 880, 994, 1120, 1136, 1232, 1420, 1540, 1562, 1760, 1988, 2272, 2464, 2485, 2840, 3080, 3124, 3187, 3905, 3976, 4970, 5467, 5680, 6160, 6248, 6374, 7810, 7952, 9940, 10934, 11360, 12320, 12496, 12748, 15620, 15904, 15935, 19880, 21868, 22309, 24992, 25496, 27335, 31240, 31870, 35057, 39760, 43736, 44618, 50992, 54670, 62480, 63740, 70114, 79520, 87472, 89236, 101984, 109340, 111545, 124960, 127480, 140228, 174944, 175285, 178472, 218680, 223090, 226277, 245399, 254960, 280456, 350570, 356944, 437360, 446180, 452554, 490798, 509920, 560912, 701140, 713888, 874720, 892360, 905108, 981596, 1121824, 1131385, 1226995, 1402280, 1583939, 1784720, 1810216, 1963192, 2262770, 2453990, 2489047, 2804560, 3167878, 3569440, 3620432, 3926384, 4525540, 4907980, 4978094, 5609120, 6335756, 7240864, 7852768, 7919695, 9051080, 9815960, 9956188, 12445235, 12671512, 15839390, 17423329, 18102160, 19631920, 19912376, 24890470, 25343024, 31678780, 34846658, 36204320, 39263840, 39824752, 49780940, 50686048, 63357560, 69693316, 79649504, 87116645, 99561880, 126715120, 139386632, 174233290, 199123760, 253430240, 278773264, 348466580, 398247520, 557546528, 696933160, 1393866320, 2787732640]

約数ペア:

[(1, 2787732640), (2, 1393866320), (4, 696933160), (5, 557546528), (7, 398247520), (8, 348466580), (10, 278773264), (11, 253430240), (14, 199123760), (16, 174233290), (20, 139386632), (22, 126715120), (28, 99561880), (32, 87116645), (35, 79649504), (40, 69693316), (44, 63357560), (55, 50686048), (56, 49780940), (70, 39824752), (71, 39263840), (77, 36204320), (80, 34846658), (88, 31678780), (110, 25343024), (112, 24890470), (140, 19912376), (142, 19631920), (154, 18102160), (160, 17423329), (176, 15839390), (220, 12671512), (224, 12445235), (280, 9956188), (284, 9815960), (308, 9051080), (352, 7919695), (355, 7852768), (385, 7240864), (440, 6335756), (497, 5609120), (560, 4978094), (568, 4907980), (616, 4525540), (710, 3926384), (770, 3620432), (781, 3569440), (880, 3167878), (994, 2804560), (1120, 2489047), (1136, 2453990), (1232, 2262770), (1420, 1963192), (1540, 1810216), (1562, 1784720), (1760, 1583939), (1988, 1402280), (2272, 1226995), (2464, 1131385), (2485, 1121824), (2840, 981596), (3080, 905108), (3124, 892360), (3187, 874720), (3905, 713888), (3976, 701140), (4970, 560912), (5467, 509920), (5680, 490798), (6160, 452554), (6248, 446180), (6374, 437360), (7810, 356944), (7952, 350570), (9940, 280456), (10934, 254960), (11360, 245399), (12320, 226277), (12496, 223090), (12748, 218680), (15620, 178472), (15904, 175285), (15935, 174944), (19880, 140228), (21868, 127480), (22309, 124960), (24992, 111545), (25496, 109340), (27335, 101984), (31240, 89236), (31870, 87472), (35057, 79520), (39760, 70114), (43736, 63740), (44618, 62480), (50992, 54670)]