279435520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2440

約数の個数: 144

約数和(自身を含む): 824140800

約数和(自身を除く): 544705280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2399, 2912, 3328, 3640, 4160, 4480, 4798, 5824, 7280, 8320, 8960, 9596, 11648, 11995, 14560, 16640, 16793, 19192, 23296, 23990, 29120, 31187, 33586, 38384, 47980, 58240, 62374, 67172, 76768, 83965, 95960, 116480, 124748, 134344, 153536, 155935, 167930, 191920, 218309, 249496, 268688, 307072, 311870, 335860, 383840, 436618, 498992, 537376, 614144, 623740, 671720, 767680, 873236, 997984, 1074752, 1091545, 1247480, 1343440, 1535360, 1746472, 1995968, 2149504, 2183090, 2494960, 2686880, 3070720, 3492944, 3991936, 4299008, 4366180, 4989920, 5373760, 6985888, 7983872, 8732360, 9979840, 10747520, 13971776, 17464720, 19959680, 21495040, 27943552, 34929440, 39919360, 55887104, 69858880, 139717760, 279435520]

約数ペア:

[(1, 279435520), (2, 139717760), (4, 69858880), (5, 55887104), (7, 39919360), (8, 34929440), (10, 27943552), (13, 21495040), (14, 19959680), (16, 17464720), (20, 13971776), (26, 10747520), (28, 9979840), (32, 8732360), (35, 7983872), (40, 6985888), (52, 5373760), (56, 4989920), (64, 4366180), (65, 4299008), (70, 3991936), (80, 3492944), (91, 3070720), (104, 2686880), (112, 2494960), (128, 2183090), (130, 2149504), (140, 1995968), (160, 1746472), (182, 1535360), (208, 1343440), (224, 1247480), (256, 1091545), (260, 1074752), (280, 997984), (320, 873236), (364, 767680), (416, 671720), (448, 623740), (455, 614144), (520, 537376), (560, 498992), (640, 436618), (728, 383840), (832, 335860), (896, 311870), (910, 307072), (1040, 268688), (1120, 249496), (1280, 218309), (1456, 191920), (1664, 167930), (1792, 155935), (1820, 153536), (2080, 134344), (2240, 124748), (2399, 116480), (2912, 95960), (3328, 83965), (3640, 76768), (4160, 67172), (4480, 62374), (4798, 58240), (5824, 47980), (7280, 38384), (8320, 33586), (8960, 31187), (9596, 29120), (11648, 23990), (11995, 23296), (14560, 19192), (16640, 16793)]