64171520

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{3581}}^1$

素因数の和:3611

約数の個数: 80

約数和(自身を含む): 175890528

約数和(自身を除く): 111719008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3581, 3584, 4480, 7162, 8960, 14324, 17905, 17920, 25067, 28648, 35810, 50134, 57296, 71620, 100268, 114592, 125335, 143240, 200536, 229184, 250670, 286480, 401072, 458368, 501340, 572960, 802144, 916736, 1002680, 1145920, 1604288, 1833472, 2005360, 2291840, 3208576, 4010720, 4583680, 6417152, 8021440, 9167360, 12834304, 16042880, 32085760, 64171520]

約数ペア:

[(1, 64171520), (2, 32085760), (4, 16042880), (5, 12834304), (7, 9167360), (8, 8021440), (10, 6417152), (14, 4583680), (16, 4010720), (20, 3208576), (28, 2291840), (32, 2005360), (35, 1833472), (40, 1604288), (56, 1145920), (64, 1002680), (70, 916736), (80, 802144), (112, 572960), (128, 501340), (140, 458368), (160, 401072), (224, 286480), (256, 250670), (280, 229184), (320, 200536), (448, 143240), (512, 125335), (560, 114592), (640, 100268), (896, 71620), (1120, 57296), (1280, 50134), (1792, 35810), (2240, 28648), (2560, 25067), (3581, 17920), (3584, 17905), (4480, 14324), (7162, 8960)]