680808280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{18049}}^1$

素因数の和:18124

約数の個数: 64

約数和(自身を含む): 1637496000

約数和(自身を除く): 956687720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 41, 46, 82, 92, 115, 164, 184, 205, 230, 328, 410, 460, 820, 920, 943, 1640, 1886, 3772, 4715, 7544, 9430, 18049, 18860, 36098, 37720, 72196, 90245, 144392, 180490, 360980, 415127, 721960, 740009, 830254, 1480018, 1660508, 2075635, 2960036, 3321016, 3700045, 4151270, 5920072, 7400090, 8302540, 14800180, 16605080, 17020207, 29600360, 34040414, 68080828, 85101035, 136161656, 170202070, 340404140, 680808280]

約数ペア:

[(1, 680808280), (2, 340404140), (4, 170202070), (5, 136161656), (8, 85101035), (10, 68080828), (20, 34040414), (23, 29600360), (40, 17020207), (41, 16605080), (46, 14800180), (82, 8302540), (92, 7400090), (115, 5920072), (164, 4151270), (184, 3700045), (205, 3321016), (230, 2960036), (328, 2075635), (410, 1660508), (460, 1480018), (820, 830254), (920, 740009), (943, 721960), (1640, 415127), (1886, 360980), (3772, 180490), (4715, 144392), (7544, 90245), (9430, 72196), (18049, 37720), (18860, 36098)]