1285760

素因数分解:

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

素因数の和:74

約数の個数: 96

約数和(自身を含む): 3662820

約数和(自身を除く): 2377060

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, 280, 287, 320, 328, 392, 410, 448, 490, 560, 574, 640, 656, 784, 820, 896, 980, 1120, 1148, 1312, 1435, 1568, 1640, 1960, 2009, 2240, 2296, 2624, 2870, 3136, 3280, 3920, 4018, 4480, 4592, 5248, 5740, 6272, 6560, 7840, 8036, 9184, 10045, 11480, 13120, 15680, 16072, 18368, 20090, 22960, 26240, 31360, 32144, 36736, 40180, 45920, 64288, 80360, 91840, 128576, 160720, 183680, 257152, 321440, 642880, 1285760]

約数ペア:

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