621923840

素因数分解:

$2^9\times 5^1\times {\mathrm{379}}^1\times {\mathrm{641}}^1$

素因数の和:1043

約数の個数: 80

約数和(自身を含む): 1497426480

約数和(自身を除く): 875502640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 379, 512, 640, 641, 758, 1280, 1282, 1516, 1895, 2560, 2564, 3032, 3205, 3790, 5128, 6064, 6410, 7580, 10256, 12128, 12820, 15160, 20512, 24256, 25640, 30320, 41024, 48512, 51280, 60640, 82048, 97024, 102560, 121280, 164096, 194048, 205120, 242560, 242939, 328192, 410240, 485120, 485878, 820480, 970240, 971756, 1214695, 1640960, 1943512, 2429390, 3887024, 4858780, 7774048, 9717560, 15548096, 19435120, 31096192, 38870240, 62192384, 77740480, 124384768, 155480960, 310961920, 621923840]

約数ペア:

[(1, 621923840), (2, 310961920), (4, 155480960), (5, 124384768), (8, 77740480), (10, 62192384), (16, 38870240), (20, 31096192), (32, 19435120), (40, 15548096), (64, 9717560), (80, 7774048), (128, 4858780), (160, 3887024), (256, 2429390), (320, 1943512), (379, 1640960), (512, 1214695), (640, 971756), (641, 970240), (758, 820480), (1280, 485878), (1282, 485120), (1516, 410240), (1895, 328192), (2560, 242939), (2564, 242560), (3032, 205120), (3205, 194048), (3790, 164096), (5128, 121280), (6064, 102560), (6410, 97024), (7580, 82048), (10256, 60640), (12128, 51280), (12820, 48512), (15160, 41024), (20512, 30320), (24256, 25640)]