68881920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{8969}}^1$

素因数の和:8995

約数の個数: 80

約数和(自身を含む): 220231440

約数和(自身を除く): 151349520

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, 8969, 17938, 26907, 35876, 44845, 53814, 71752, 89690, 107628, 134535, 143504, 179380, 215256, 269070, 287008, 358760, 430512, 538140, 574016, 717520, 861024, 1076280, 1148032, 1435040, 1722048, 2152560, 2296064, 2870080, 3444096, 4305120, 4592128, 5740160, 6888192, 8610240, 11480320, 13776384, 17220480, 22960640, 34440960, 68881920]

約数ペア:

[(1, 68881920), (2, 34440960), (3, 22960640), (4, 17220480), (5, 13776384), (6, 11480320), (8, 8610240), (10, 6888192), (12, 5740160), (15, 4592128), (16, 4305120), (20, 3444096), (24, 2870080), (30, 2296064), (32, 2152560), (40, 1722048), (48, 1435040), (60, 1148032), (64, 1076280), (80, 861024), (96, 717520), (120, 574016), (128, 538140), (160, 430512), (192, 358760), (240, 287008), (256, 269070), (320, 215256), (384, 179380), (480, 143504), (512, 134535), (640, 107628), (768, 89690), (960, 71752), (1280, 53814), (1536, 44845), (1920, 35876), (2560, 26907), (3840, 17938), (7680, 8969)]