1997796360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:516

約数の個数: 256

約数和(自身を含む): 7039549440

約数和(自身を除く): 5041753080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 127, 140, 168, 183, 210, 244, 254, 280, 305, 307, 366, 381, 420, 427, 488, 508, 610, 614, 635, 732, 762, 840, 854, 889, 915, 921, 1016, 1220, 1228, 1270, 1281, 1464, 1524, 1535, 1708, 1778, 1830, 1842, 1905, 2135, 2149, 2440, 2456, 2540, 2562, 2667, 3048, 3070, 3416, 3556, 3660, 3684, 3810, 4270, 4298, 4445, 4605, 5080, 5124, 5334, 6140, 6405, 6447, 7112, 7320, 7368, 7620, 7747, 8540, 8596, 8890, 9210, 10248, 10668, 10745, 12280, 12810, 12894, 13335, 15240, 15494, 17080, 17192, 17780, 18420, 18727, 21336, 21490, 23241, 25620, 25788, 26670, 30988, 32235, 35560, 36840, 37454, 38735, 38989, 42980, 46482, 51240, 51576, 53340, 54229, 56181, 61976, 64470, 74908, 77470, 77978, 85960, 92964, 93635, 106680, 108458, 112362, 116205, 116967, 128940, 131089, 149816, 154940, 155956, 162687, 185928, 187270, 194945, 216916, 224724, 232410, 233934, 257880, 262178, 271145, 272923, 280905, 309880, 311912, 325374, 374540, 389890, 393267, 433832, 449448, 464820, 467868, 524356, 542290, 545846, 561810, 584835, 650748, 655445, 749080, 779780, 786534, 813435, 818769, 929640, 935736, 1048712, 1084580, 1091692, 1123620, 1169670, 1301496, 1310890, 1364615, 1559560, 1573068, 1626870, 1637538, 1966335, 2169160, 2183384, 2247240, 2339340, 2378329, 2621780, 2729230, 3146136, 3253740, 3275076, 3932670, 4093845, 4678680, 4756658, 5243560, 5458460, 6507480, 6550152, 7134987, 7865340, 8187690, 9513316, 10916920, 11891645, 14269974, 15730680, 16375380, 16648303, 19026632, 23783290, 28539948, 32750760, 33296606, 35674935, 47566580, 49944909, 57079896, 66593212, 71349870, 83241515, 95133160, 99889818, 133186424, 142699740, 166483030, 199779636, 249724545, 285399480, 332966060, 399559272, 499449090, 665932120, 998898180, 1997796360]

約数ペア:

[(1, 1997796360), (2, 998898180), (3, 665932120), (4, 499449090), (5, 399559272), (6, 332966060), (7, 285399480), (8, 249724545), (10, 199779636), (12, 166483030), (14, 142699740), (15, 133186424), (20, 99889818), (21, 95133160), (24, 83241515), (28, 71349870), (30, 66593212), (35, 57079896), (40, 49944909), (42, 47566580), (56, 35674935), (60, 33296606), (61, 32750760), (70, 28539948), (84, 23783290), (105, 19026632), (120, 16648303), (122, 16375380), (127, 15730680), (140, 14269974), (168, 11891645), (183, 10916920), (210, 9513316), (244, 8187690), (254, 7865340), (280, 7134987), (305, 6550152), (307, 6507480), (366, 5458460), (381, 5243560), (420, 4756658), (427, 4678680), (488, 4093845), (508, 3932670), (610, 3275076), (614, 3253740), (635, 3146136), (732, 2729230), (762, 2621780), (840, 2378329), (854, 2339340), (889, 2247240), (915, 2183384), (921, 2169160), (1016, 1966335), (1220, 1637538), (1228, 1626870), (1270, 1573068), (1281, 1559560), (1464, 1364615), (1524, 1310890), (1535, 1301496), (1708, 1169670), (1778, 1123620), (1830, 1091692), (1842, 1084580), (1905, 1048712), (2135, 935736), (2149, 929640), (2440, 818769), (2456, 813435), (2540, 786534), (2562, 779780), (2667, 749080), (3048, 655445), (3070, 650748), (3416, 584835), (3556, 561810), (3660, 545846), (3684, 542290), (3810, 524356), (4270, 467868), (4298, 464820), (4445, 449448), (4605, 433832), (5080, 393267), (5124, 389890), (5334, 374540), (6140, 325374), (6405, 311912), (6447, 309880), (7112, 280905), (7320, 272923), (7368, 271145), (7620, 262178), (7747, 257880), (8540, 233934), (8596, 232410), (8890, 224724), (9210, 216916), (10248, 194945), (10668, 187270), (10745, 185928), (12280, 162687), (12810, 155956), (12894, 154940), (13335, 149816), (15240, 131089), (15494, 128940), (17080, 116967), (17192, 116205), (17780, 112362), (18420, 108458), (18727, 106680), (21336, 93635), (21490, 92964), (23241, 85960), (25620, 77978), (25788, 77470), (26670, 74908), (30988, 64470), (32235, 61976), (35560, 56181), (36840, 54229), (37454, 53340), (38735, 51576), (38989, 51240), (42980, 46482)]