74980920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3881}}^1$

素因数の和:3925

約数の個数: 128

約数和(自身を含む): 268323840

約数和(自身を除く): 193342920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3864, 3881, 4830, 6440, 7762, 9660, 11643, 15524, 19320, 19405, 23286, 27167, 31048, 38810, 46572, 54334, 58215, 77620, 81501, 89263, 93144, 108668, 116430, 135835, 155240, 163002, 178526, 217336, 232860, 267789, 271670, 326004, 357052, 407505, 446315, 465720, 535578, 543340, 624841, 652008, 714104, 815010, 892630, 1071156, 1086680, 1249682, 1338945, 1630020, 1785260, 1874523, 2142312, 2499364, 2677890, 3124205, 3260040, 3570520, 3749046, 4998728, 5355780, 6248410, 7498092, 9372615, 10711560, 12496820, 14996184, 18745230, 24993640, 37490460, 74980920]

約数ペア:

[(1, 74980920), (2, 37490460), (3, 24993640), (4, 18745230), (5, 14996184), (6, 12496820), (7, 10711560), (8, 9372615), (10, 7498092), (12, 6248410), (14, 5355780), (15, 4998728), (20, 3749046), (21, 3570520), (23, 3260040), (24, 3124205), (28, 2677890), (30, 2499364), (35, 2142312), (40, 1874523), (42, 1785260), (46, 1630020), (56, 1338945), (60, 1249682), (69, 1086680), (70, 1071156), (84, 892630), (92, 815010), (105, 714104), (115, 652008), (120, 624841), (138, 543340), (140, 535578), (161, 465720), (168, 446315), (184, 407505), (210, 357052), (230, 326004), (276, 271670), (280, 267789), (322, 232860), (345, 217336), (420, 178526), (460, 163002), (483, 155240), (552, 135835), (644, 116430), (690, 108668), (805, 93144), (840, 89263), (920, 81501), (966, 77620), (1288, 58215), (1380, 54334), (1610, 46572), (1932, 38810), (2415, 31048), (2760, 27167), (3220, 23286), (3864, 19405), (3881, 19320), (4830, 15524), (6440, 11643), (7762, 9660)]