1989829920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{318883}}^1$

素因数の和:318914

約数の個数: 96

約数和(自身を含む): 6750136512

約数和(自身を除く): 4760306592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 318883, 637766, 956649, 1275532, 1594415, 1913298, 2551064, 3188830, 3826596, 4145479, 4783245, 5102128, 6377660, 7653192, 8290958, 9566490, 10204256, 12436437, 12755320, 15306384, 16581916, 19132980, 20727395, 24872874, 25510640, 30612768, 33163832, 38265960, 41454790, 49745748, 51021280, 62182185, 66327664, 76531920, 82909580, 99491496, 124364370, 132655328, 153063840, 165819160, 198982992, 248728740, 331638320, 397965984, 497457480, 663276640, 994914960, 1989829920]

約数ペア:

[(1, 1989829920), (2, 994914960), (3, 663276640), (4, 497457480), (5, 397965984), (6, 331638320), (8, 248728740), (10, 198982992), (12, 165819160), (13, 153063840), (15, 132655328), (16, 124364370), (20, 99491496), (24, 82909580), (26, 76531920), (30, 66327664), (32, 62182185), (39, 51021280), (40, 49745748), (48, 41454790), (52, 38265960), (60, 33163832), (65, 30612768), (78, 25510640), (80, 24872874), (96, 20727395), (104, 19132980), (120, 16581916), (130, 15306384), (156, 12755320), (160, 12436437), (195, 10204256), (208, 9566490), (240, 8290958), (260, 7653192), (312, 6377660), (390, 5102128), (416, 4783245), (480, 4145479), (520, 3826596), (624, 3188830), (780, 2551064), (1040, 1913298), (1248, 1594415), (1560, 1275532), (2080, 956649), (3120, 637766), (6240, 318883)]