2461440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{641}}^1$

素因数の和:665

約数の個数: 72

約数和(自身を含む): 7873488

約数和(自身を除く): 5412048

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, 641, 768, 960, 1280, 1282, 1920, 1923, 2564, 3205, 3840, 3846, 5128, 6410, 7692, 9615, 10256, 12820, 15384, 19230, 20512, 25640, 30768, 38460, 41024, 51280, 61536, 76920, 82048, 102560, 123072, 153840, 164096, 205120, 246144, 307680, 410240, 492288, 615360, 820480, 1230720, 2461440]

約数ペア:

[(1, 2461440), (2, 1230720), (3, 820480), (4, 615360), (5, 492288), (6, 410240), (8, 307680), (10, 246144), (12, 205120), (15, 164096), (16, 153840), (20, 123072), (24, 102560), (30, 82048), (32, 76920), (40, 61536), (48, 51280), (60, 41024), (64, 38460), (80, 30768), (96, 25640), (120, 20512), (128, 19230), (160, 15384), (192, 12820), (240, 10256), (256, 9615), (320, 7692), (384, 6410), (480, 5128), (640, 3846), (641, 3840), (768, 3205), (960, 2564), (1280, 1923), (1282, 1920)]