128887740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238681}}^1$

素因数の和:238699

約数の個数: 48

約数和(自身を含む): 400985760

約数和(自身を除く): 272098020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238681, 477362, 716043, 954724, 1193405, 1432086, 2148129, 2386810, 2864172, 3580215, 4296258, 4773620, 6444387, 7160430, 8592516, 10740645, 12888774, 14320860, 21481290, 25777548, 32221935, 42962580, 64443870, 128887740]

約数ペア:

[(1, 128887740), (2, 64443870), (3, 42962580), (4, 32221935), (5, 25777548), (6, 21481290), (9, 14320860), (10, 12888774), (12, 10740645), (15, 8592516), (18, 7160430), (20, 6444387), (27, 4773620), (30, 4296258), (36, 3580215), (45, 2864172), (54, 2386810), (60, 2148129), (90, 1432086), (108, 1193405), (135, 954724), (180, 716043), (270, 477362), (540, 238681)]