204817920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{26669}}^1$

素因数の和:26695

約数の個数: 80

約数和(自身を含む): 654801840

約数和(自身を除く): 449983920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 26669, 53338, 80007, 106676, 133345, 160014, 213352, 266690, 320028, 400035, 426704, 533380, 640056, 800070, 853408, 1066760, 1280112, 1600140, 1706816, 2133520, 2560224, 3200280, 3413632, 4267040, 5120448, 6400560, 6827264, 8534080, 10240896, 12801120, 13654528, 17068160, 20481792, 25602240, 34136320, 40963584, 51204480, 68272640, 102408960, 204817920]

約数ペア:

[(1, 204817920), (2, 102408960), (3, 68272640), (4, 51204480), (5, 40963584), (6, 34136320), (8, 25602240), (10, 20481792), (12, 17068160), (15, 13654528), (16, 12801120), (20, 10240896), (24, 8534080), (30, 6827264), (32, 6400560), (40, 5120448), (48, 4267040), (60, 3413632), (64, 3200280), (80, 2560224), (96, 2133520), (120, 1706816), (128, 1600140), (160, 1280112), (192, 1066760), (240, 853408), (256, 800070), (320, 640056), (384, 533380), (480, 426704), (512, 400035), (640, 320028), (768, 266690), (960, 213352), (1280, 160014), (1536, 133345), (1920, 106676), (2560, 80007), (3840, 53338), (7680, 26669)]