81265920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{21163}}^1$

素因数の和:21187

約数の個数: 72

約数和(自身を含む): 259555296

約数和(自身を除く): 178289376

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, 640, 768, 960, 1280, 1920, 3840, 21163, 42326, 63489, 84652, 105815, 126978, 169304, 211630, 253956, 317445, 338608, 423260, 507912, 634890, 677216, 846520, 1015824, 1269780, 1354432, 1693040, 2031648, 2539560, 2708864, 3386080, 4063296, 5079120, 5417728, 6772160, 8126592, 10158240, 13544320, 16253184, 20316480, 27088640, 40632960, 81265920]

約数ペア:

[(1, 81265920), (2, 40632960), (3, 27088640), (4, 20316480), (5, 16253184), (6, 13544320), (8, 10158240), (10, 8126592), (12, 6772160), (15, 5417728), (16, 5079120), (20, 4063296), (24, 3386080), (30, 2708864), (32, 2539560), (40, 2031648), (48, 1693040), (60, 1354432), (64, 1269780), (80, 1015824), (96, 846520), (120, 677216), (128, 634890), (160, 507912), (192, 423260), (240, 338608), (256, 317445), (320, 253956), (384, 211630), (480, 169304), (640, 126978), (768, 105815), (960, 84652), (1280, 63489), (1920, 42326), (3840, 21163)]