4916881920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{640219}}^1$

素因数の和:640245

約数の個数: 80

約数和(自身を含む): 15718681440

約数和(自身を除く): 10801799520

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, 1280, 1536, 1920, 2560, 3840, 7680, 640219, 1280438, 1920657, 2560876, 3201095, 3841314, 5121752, 6402190, 7682628, 9603285, 10243504, 12804380, 15365256, 19206570, 20487008, 25608760, 30730512, 38413140, 40974016, 51217520, 61461024, 76826280, 81948032, 102435040, 122922048, 153652560, 163896064, 204870080, 245844096, 307305120, 327792128, 409740160, 491688192, 614610240, 819480320, 983376384, 1229220480, 1638960640, 2458440960, 4916881920]

約数ペア:

[(1, 4916881920), (2, 2458440960), (3, 1638960640), (4, 1229220480), (5, 983376384), (6, 819480320), (8, 614610240), (10, 491688192), (12, 409740160), (15, 327792128), (16, 307305120), (20, 245844096), (24, 204870080), (30, 163896064), (32, 153652560), (40, 122922048), (48, 102435040), (60, 81948032), (64, 76826280), (80, 61461024), (96, 51217520), (120, 40974016), (128, 38413140), (160, 30730512), (192, 25608760), (240, 20487008), (256, 19206570), (320, 15365256), (384, 12804380), (480, 10243504), (512, 9603285), (640, 7682628), (768, 6402190), (960, 5121752), (1280, 3841314), (1536, 3201095), (1920, 2560876), (2560, 1920657), (3840, 1280438), (7680, 640219)]