128343040

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{3581}}^1$

素因数の和:3613

約数の個数: 88

約数和(自身を含む): 351952992

約数和(自身を除く): 223609952

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, 1024, 1120, 1280, 1792, 2240, 2560, 3581, 3584, 4480, 5120, 7162, 7168, 8960, 14324, 17905, 17920, 25067, 28648, 35810, 35840, 50134, 57296, 71620, 100268, 114592, 125335, 143240, 200536, 229184, 250670, 286480, 401072, 458368, 501340, 572960, 802144, 916736, 1002680, 1145920, 1604288, 1833472, 2005360, 2291840, 3208576, 3666944, 4010720, 4583680, 6417152, 8021440, 9167360, 12834304, 16042880, 18334720, 25668608, 32085760, 64171520, 128343040]

約数ペア:

[(1, 128343040), (2, 64171520), (4, 32085760), (5, 25668608), (7, 18334720), (8, 16042880), (10, 12834304), (14, 9167360), (16, 8021440), (20, 6417152), (28, 4583680), (32, 4010720), (35, 3666944), (40, 3208576), (56, 2291840), (64, 2005360), (70, 1833472), (80, 1604288), (112, 1145920), (128, 1002680), (140, 916736), (160, 802144), (224, 572960), (256, 501340), (280, 458368), (320, 401072), (448, 286480), (512, 250670), (560, 229184), (640, 200536), (896, 143240), (1024, 125335), (1120, 114592), (1280, 100268), (1792, 71620), (2240, 57296), (2560, 50134), (3581, 35840), (3584, 35810), (4480, 28648), (5120, 25067), (7162, 17920), (7168, 17905), (8960, 14324)]