1649310720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{107377}}^1$

素因数の和:107405

約数の個数: 88

約数和(自身を含む): 5275266384

約数和(自身を除く): 3625955664

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, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 107377, 214754, 322131, 429508, 536885, 644262, 859016, 1073770, 1288524, 1610655, 1718032, 2147540, 2577048, 3221310, 3436064, 4295080, 5154096, 6442620, 6872128, 8590160, 10308192, 12885240, 13744256, 17180320, 20616384, 25770480, 27488512, 34360640, 41232768, 51540960, 54977024, 68721280, 82465536, 103081920, 109954048, 137442560, 164931072, 206163840, 274885120, 329862144, 412327680, 549770240, 824655360, 1649310720]

約数ペア:

[(1, 1649310720), (2, 824655360), (3, 549770240), (4, 412327680), (5, 329862144), (6, 274885120), (8, 206163840), (10, 164931072), (12, 137442560), (15, 109954048), (16, 103081920), (20, 82465536), (24, 68721280), (30, 54977024), (32, 51540960), (40, 41232768), (48, 34360640), (60, 27488512), (64, 25770480), (80, 20616384), (96, 17180320), (120, 13744256), (128, 12885240), (160, 10308192), (192, 8590160), (240, 6872128), (256, 6442620), (320, 5154096), (384, 4295080), (480, 3436064), (512, 3221310), (640, 2577048), (768, 2147540), (960, 1718032), (1024, 1610655), (1280, 1288524), (1536, 1073770), (1920, 859016), (2560, 644262), (3072, 536885), (3840, 429508), (5120, 322131), (7680, 214754), (15360, 107377)]