1785720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 5598720

約数和(自身を除く): 3813000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 647, 690, 920, 1294, 1380, 1941, 2588, 2760, 3235, 3882, 5176, 6470, 7764, 9705, 12940, 14881, 15528, 19410, 25880, 29762, 38820, 44643, 59524, 74405, 77640, 89286, 119048, 148810, 178572, 223215, 297620, 357144, 446430, 595240, 892860, 1785720]

約数ペア:

[(1, 1785720), (2, 892860), (3, 595240), (4, 446430), (5, 357144), (6, 297620), (8, 223215), (10, 178572), (12, 148810), (15, 119048), (20, 89286), (23, 77640), (24, 74405), (30, 59524), (40, 44643), (46, 38820), (60, 29762), (69, 25880), (92, 19410), (115, 15528), (120, 14881), (138, 12940), (184, 9705), (230, 7764), (276, 6470), (345, 5176), (460, 3882), (552, 3235), (647, 2760), (690, 2588), (920, 1941), (1294, 1380)]