80905680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3037}}^1$

素因数の和:3093

約数の個数: 120

約数和(自身を含む): 279143592

約数和(自身を除く): 198237912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 111, 120, 144, 148, 180, 185, 222, 240, 296, 333, 360, 370, 444, 555, 592, 666, 720, 740, 888, 1110, 1332, 1480, 1665, 1776, 2220, 2664, 2960, 3037, 3330, 4440, 5328, 6074, 6660, 8880, 9111, 12148, 13320, 15185, 18222, 24296, 26640, 27333, 30370, 36444, 45555, 48592, 54666, 60740, 72888, 91110, 109332, 112369, 121480, 136665, 145776, 182220, 218664, 224738, 242960, 273330, 337107, 364440, 437328, 449476, 546660, 561845, 674214, 728880, 898952, 1011321, 1093320, 1123690, 1348428, 1685535, 1797904, 2022642, 2186640, 2247380, 2696856, 3371070, 4045284, 4494760, 5056605, 5393712, 6742140, 8090568, 8989520, 10113210, 13484280, 16181136, 20226420, 26968560, 40452840, 80905680]

約数ペア:

[(1, 80905680), (2, 40452840), (3, 26968560), (4, 20226420), (5, 16181136), (6, 13484280), (8, 10113210), (9, 8989520), (10, 8090568), (12, 6742140), (15, 5393712), (16, 5056605), (18, 4494760), (20, 4045284), (24, 3371070), (30, 2696856), (36, 2247380), (37, 2186640), (40, 2022642), (45, 1797904), (48, 1685535), (60, 1348428), (72, 1123690), (74, 1093320), (80, 1011321), (90, 898952), (111, 728880), (120, 674214), (144, 561845), (148, 546660), (180, 449476), (185, 437328), (222, 364440), (240, 337107), (296, 273330), (333, 242960), (360, 224738), (370, 218664), (444, 182220), (555, 145776), (592, 136665), (666, 121480), (720, 112369), (740, 109332), (888, 91110), (1110, 72888), (1332, 60740), (1480, 54666), (1665, 48592), (1776, 45555), (2220, 36444), (2664, 30370), (2960, 27333), (3037, 26640), (3330, 24296), (4440, 18222), (5328, 15185), (6074, 13320), (6660, 12148), (8880, 9111)]