9789720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3547}}^1$

素因数の和:3584

約数の個数: 64

約数和(自身を含む): 30654720

約数和(自身を除く): 20865000

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, 690, 920, 1380, 2760, 3547, 7094, 10641, 14188, 17735, 21282, 28376, 35470, 42564, 53205, 70940, 81581, 85128, 106410, 141880, 163162, 212820, 244743, 326324, 407905, 425640, 489486, 652648, 815810, 978972, 1223715, 1631620, 1957944, 2447430, 3263240, 4894860, 9789720]

約数ペア:

[(1, 9789720), (2, 4894860), (3, 3263240), (4, 2447430), (5, 1957944), (6, 1631620), (8, 1223715), (10, 978972), (12, 815810), (15, 652648), (20, 489486), (23, 425640), (24, 407905), (30, 326324), (40, 244743), (46, 212820), (60, 163162), (69, 141880), (92, 106410), (115, 85128), (120, 81581), (138, 70940), (184, 53205), (230, 42564), (276, 35470), (345, 28376), (460, 21282), (552, 17735), (690, 14188), (920, 10641), (1380, 7094), (2760, 3547)]