651869440

素因数分解:

$2^8\times 5^1\times {\mathrm{607}}^1\times {\mathrm{839}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 1565867520

約数和(自身を除く): 913998080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 607, 640, 839, 1214, 1280, 1678, 2428, 3035, 3356, 4195, 4856, 6070, 6712, 8390, 9712, 12140, 13424, 16780, 19424, 24280, 26848, 33560, 38848, 48560, 53696, 67120, 77696, 97120, 107392, 134240, 155392, 194240, 214784, 268480, 388480, 509273, 536960, 776960, 1018546, 1073920, 2037092, 2546365, 4074184, 5092730, 8148368, 10185460, 16296736, 20370920, 32593472, 40741840, 65186944, 81483680, 130373888, 162967360, 325934720, 651869440]

約数ペア:

[(1, 651869440), (2, 325934720), (4, 162967360), (5, 130373888), (8, 81483680), (10, 65186944), (16, 40741840), (20, 32593472), (32, 20370920), (40, 16296736), (64, 10185460), (80, 8148368), (128, 5092730), (160, 4074184), (256, 2546365), (320, 2037092), (607, 1073920), (640, 1018546), (839, 776960), (1214, 536960), (1280, 509273), (1678, 388480), (2428, 268480), (3035, 214784), (3356, 194240), (4195, 155392), (4856, 134240), (6070, 107392), (6712, 97120), (8390, 77696), (9712, 67120), (12140, 53696), (13424, 48560), (16780, 38848), (19424, 33560), (24280, 26848)]