1328640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{173}}^1$

素因数の和:199

約数の個数: 80

約数和(自身を含む): 4272048

約数和(自身を除く): 2943408

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, 173, 192, 240, 256, 320, 346, 384, 480, 512, 519, 640, 692, 768, 865, 960, 1038, 1280, 1384, 1536, 1730, 1920, 2076, 2560, 2595, 2768, 3460, 3840, 4152, 5190, 5536, 6920, 7680, 8304, 10380, 11072, 13840, 16608, 20760, 22144, 27680, 33216, 41520, 44288, 55360, 66432, 83040, 88576, 110720, 132864, 166080, 221440, 265728, 332160, 442880, 664320, 1328640]

約数ペア:

[(1, 1328640), (2, 664320), (3, 442880), (4, 332160), (5, 265728), (6, 221440), (8, 166080), (10, 132864), (12, 110720), (15, 88576), (16, 83040), (20, 66432), (24, 55360), (30, 44288), (32, 41520), (40, 33216), (48, 27680), (60, 22144), (64, 20760), (80, 16608), (96, 13840), (120, 11072), (128, 10380), (160, 8304), (173, 7680), (192, 6920), (240, 5536), (256, 5190), (320, 4152), (346, 3840), (384, 3460), (480, 2768), (512, 2595), (519, 2560), (640, 2076), (692, 1920), (768, 1730), (865, 1536), (960, 1384), (1038, 1280)]