2571520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{41}}^1$

素因数の和:76

約数の個数: 108

約数和(自身を含む): 7340004

約数和(自身を除く): 4768484

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 112, 128, 140, 160, 164, 196, 205, 224, 245, 256, 280, 287, 320, 328, 392, 410, 448, 490, 560, 574, 640, 656, 784, 820, 896, 980, 1120, 1148, 1280, 1312, 1435, 1568, 1640, 1792, 1960, 2009, 2240, 2296, 2624, 2870, 3136, 3280, 3920, 4018, 4480, 4592, 5248, 5740, 6272, 6560, 7840, 8036, 8960, 9184, 10045, 10496, 11480, 12544, 13120, 15680, 16072, 18368, 20090, 22960, 26240, 31360, 32144, 36736, 40180, 45920, 52480, 62720, 64288, 73472, 80360, 91840, 128576, 160720, 183680, 257152, 321440, 367360, 514304, 642880, 1285760, 2571520]

約数ペア:

[(1, 2571520), (2, 1285760), (4, 642880), (5, 514304), (7, 367360), (8, 321440), (10, 257152), (14, 183680), (16, 160720), (20, 128576), (28, 91840), (32, 80360), (35, 73472), (40, 64288), (41, 62720), (49, 52480), (56, 45920), (64, 40180), (70, 36736), (80, 32144), (82, 31360), (98, 26240), (112, 22960), (128, 20090), (140, 18368), (160, 16072), (164, 15680), (196, 13120), (205, 12544), (224, 11480), (245, 10496), (256, 10045), (280, 9184), (287, 8960), (320, 8036), (328, 7840), (392, 6560), (410, 6272), (448, 5740), (490, 5248), (560, 4592), (574, 4480), (640, 4018), (656, 3920), (784, 3280), (820, 3136), (896, 2870), (980, 2624), (1120, 2296), (1148, 2240), (1280, 2009), (1312, 1960), (1435, 1792), (1568, 1640)]