1457920

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 3752784

約数和(自身を除く): 2294864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 67, 68, 80, 85, 128, 134, 136, 160, 170, 256, 268, 272, 320, 335, 340, 536, 544, 640, 670, 680, 1072, 1088, 1139, 1280, 1340, 1360, 2144, 2176, 2278, 2680, 2720, 4288, 4352, 4556, 5360, 5440, 5695, 8576, 9112, 10720, 10880, 11390, 17152, 18224, 21440, 21760, 22780, 36448, 42880, 45560, 72896, 85760, 91120, 145792, 182240, 291584, 364480, 728960, 1457920]

約数ペア:

[(1, 1457920), (2, 728960), (4, 364480), (5, 291584), (8, 182240), (10, 145792), (16, 91120), (17, 85760), (20, 72896), (32, 45560), (34, 42880), (40, 36448), (64, 22780), (67, 21760), (68, 21440), (80, 18224), (85, 17152), (128, 11390), (134, 10880), (136, 10720), (160, 9112), (170, 8576), (256, 5695), (268, 5440), (272, 5360), (320, 4556), (335, 4352), (340, 4288), (536, 2720), (544, 2680), (640, 2278), (670, 2176), (680, 2144), (1072, 1360), (1088, 1340), (1139, 1280)]