18979080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 57499200

約数和(自身を除く): 38520120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1451, 1635, 2180, 2616, 2902, 3270, 4353, 4360, 5804, 6540, 7255, 8706, 11608, 13080, 14510, 17412, 21765, 29020, 34824, 43530, 58040, 87060, 158159, 174120, 316318, 474477, 632636, 790795, 948954, 1265272, 1581590, 1897908, 2372385, 3163180, 3795816, 4744770, 6326360, 9489540, 18979080]

約数ペア:

[(1, 18979080), (2, 9489540), (3, 6326360), (4, 4744770), (5, 3795816), (6, 3163180), (8, 2372385), (10, 1897908), (12, 1581590), (15, 1265272), (20, 948954), (24, 790795), (30, 632636), (40, 474477), (60, 316318), (109, 174120), (120, 158159), (218, 87060), (327, 58040), (436, 43530), (545, 34824), (654, 29020), (872, 21765), (1090, 17412), (1308, 14510), (1451, 13080), (1635, 11608), (2180, 8706), (2616, 7255), (2902, 6540), (3270, 5804), (4353, 4360)]