1629440

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 4169760

約数和(自身を除く): 2540320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 67, 76, 80, 95, 128, 134, 152, 160, 190, 256, 268, 304, 320, 335, 380, 536, 608, 640, 670, 760, 1072, 1216, 1273, 1280, 1340, 1520, 2144, 2432, 2546, 2680, 3040, 4288, 4864, 5092, 5360, 6080, 6365, 8576, 10184, 10720, 12160, 12730, 17152, 20368, 21440, 24320, 25460, 40736, 42880, 50920, 81472, 85760, 101840, 162944, 203680, 325888, 407360, 814720, 1629440]

約数ペア:

[(1, 1629440), (2, 814720), (4, 407360), (5, 325888), (8, 203680), (10, 162944), (16, 101840), (19, 85760), (20, 81472), (32, 50920), (38, 42880), (40, 40736), (64, 25460), (67, 24320), (76, 21440), (80, 20368), (95, 17152), (128, 12730), (134, 12160), (152, 10720), (160, 10184), (190, 8576), (256, 6365), (268, 6080), (304, 5360), (320, 5092), (335, 4864), (380, 4288), (536, 3040), (608, 2680), (640, 2546), (670, 2432), (760, 2144), (1072, 1520), (1216, 1340), (1273, 1280)]