17720560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1586

約数の個数: 80

約数和(自身を含む): 48434400

約数和(自身を除く): 30713840

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1549, 2288, 2860, 3098, 5720, 6196, 7745, 11440, 12392, 15490, 17039, 20137, 24784, 30980, 34078, 40274, 61960, 68156, 80548, 85195, 100685, 123920, 136312, 161096, 170390, 201370, 221507, 272624, 322192, 340780, 402740, 443014, 681560, 805480, 886028, 1107535, 1363120, 1610960, 1772056, 2215070, 3544112, 4430140, 8860280, 17720560]

約数ペア:

[(1, 17720560), (2, 8860280), (4, 4430140), (5, 3544112), (8, 2215070), (10, 1772056), (11, 1610960), (13, 1363120), (16, 1107535), (20, 886028), (22, 805480), (26, 681560), (40, 443014), (44, 402740), (52, 340780), (55, 322192), (65, 272624), (80, 221507), (88, 201370), (104, 170390), (110, 161096), (130, 136312), (143, 123920), (176, 100685), (208, 85195), (220, 80548), (260, 68156), (286, 61960), (440, 40274), (520, 34078), (572, 30980), (715, 24784), (880, 20137), (1040, 17039), (1144, 15490), (1430, 12392), (1549, 11440), (2288, 7745), (2860, 6196), (3098, 5720)]