80917920

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{18731}}^1$

素因数の和:18755

約数の個数: 96

約数和(自身を含む): 283227840

約数和(自身を除く): 202309920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 18731, 37462, 56193, 74924, 93655, 112386, 149848, 168579, 187310, 224772, 280965, 299696, 337158, 374620, 449544, 505737, 561930, 599392, 674316, 749240, 842895, 899088, 1011474, 1123860, 1348632, 1498480, 1685790, 1798176, 2022948, 2247720, 2528685, 2697264, 2996960, 3371580, 4045896, 4495440, 5057370, 5394528, 6743160, 8091792, 8990880, 10114740, 13486320, 16183584, 20229480, 26972640, 40458960, 80917920]

約数ペア:

[(1, 80917920), (2, 40458960), (3, 26972640), (4, 20229480), (5, 16183584), (6, 13486320), (8, 10114740), (9, 8990880), (10, 8091792), (12, 6743160), (15, 5394528), (16, 5057370), (18, 4495440), (20, 4045896), (24, 3371580), (27, 2996960), (30, 2697264), (32, 2528685), (36, 2247720), (40, 2022948), (45, 1798176), (48, 1685790), (54, 1498480), (60, 1348632), (72, 1123860), (80, 1011474), (90, 899088), (96, 842895), (108, 749240), (120, 674316), (135, 599392), (144, 561930), (160, 505737), (180, 449544), (216, 374620), (240, 337158), (270, 299696), (288, 280965), (360, 224772), (432, 187310), (480, 168579), (540, 149848), (720, 112386), (864, 93655), (1080, 74924), (1440, 56193), (2160, 37462), (4320, 18731)]