2987628840

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{395189}}^1$

素因数の和:395216

約数の個数: 128

約数和(自身を含む): 11381472000

約数和(自身を除く): 8393843160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 395189, 790378, 1185567, 1580756, 1975945, 2371134, 2766323, 3161512, 3556701, 3951890, 4742268, 5532646, 5927835, 7113402, 7903780, 8298969, 9484536, 10670103, 11065292, 11855670, 13831615, 14226804, 15807560, 16597938, 17783505, 21340206, 22130584, 23711340, 24896907, 27663230, 28453608, 33195876, 35567010, 41494845, 42680412, 47422680, 49793814, 53350515, 55326460, 66391752, 71134020, 74690721, 82989690, 85360824, 99587628, 106701030, 110652920, 124484535, 142268040, 149381442, 165979380, 199175256, 213402060, 248969070, 298762884, 331958760, 373453605, 426804120, 497938140, 597525768, 746907210, 995876280, 1493814420, 2987628840]

約数ペア:

[(1, 2987628840), (2, 1493814420), (3, 995876280), (4, 746907210), (5, 597525768), (6, 497938140), (7, 426804120), (8, 373453605), (9, 331958760), (10, 298762884), (12, 248969070), (14, 213402060), (15, 199175256), (18, 165979380), (20, 149381442), (21, 142268040), (24, 124484535), (27, 110652920), (28, 106701030), (30, 99587628), (35, 85360824), (36, 82989690), (40, 74690721), (42, 71134020), (45, 66391752), (54, 55326460), (56, 53350515), (60, 49793814), (63, 47422680), (70, 42680412), (72, 41494845), (84, 35567010), (90, 33195876), (105, 28453608), (108, 27663230), (120, 24896907), (126, 23711340), (135, 22130584), (140, 21340206), (168, 17783505), (180, 16597938), (189, 15807560), (210, 14226804), (216, 13831615), (252, 11855670), (270, 11065292), (280, 10670103), (315, 9484536), (360, 8298969), (378, 7903780), (420, 7113402), (504, 5927835), (540, 5532646), (630, 4742268), (756, 3951890), (840, 3556701), (945, 3161512), (1080, 2766323), (1260, 2371134), (1512, 1975945), (1890, 1580756), (2520, 1185567), (3780, 790378), (7560, 395189)]