1230720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{641}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 3929040

約数和(自身を除く): 2698320

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, 320, 384, 480, 640, 641, 960, 1282, 1920, 1923, 2564, 3205, 3846, 5128, 6410, 7692, 9615, 10256, 12820, 15384, 19230, 20512, 25640, 30768, 38460, 41024, 51280, 61536, 76920, 82048, 102560, 123072, 153840, 205120, 246144, 307680, 410240, 615360, 1230720]

約数ペア:

[(1, 1230720), (2, 615360), (3, 410240), (4, 307680), (5, 246144), (6, 205120), (8, 153840), (10, 123072), (12, 102560), (15, 82048), (16, 76920), (20, 61536), (24, 51280), (30, 41024), (32, 38460), (40, 30768), (48, 25640), (60, 20512), (64, 19230), (80, 15384), (96, 12820), (120, 10256), (128, 9615), (160, 7692), (192, 6410), (240, 5128), (320, 3846), (384, 3205), (480, 2564), (640, 1923), (641, 1920), (960, 1282)]