18020040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6529}}^1$

素因数の和:6566

約数の個数: 64

約数和(自身を含む): 56419200

約数和(自身を除く): 38399160

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, 6529, 13058, 19587, 26116, 32645, 39174, 52232, 65290, 78348, 97935, 130580, 150167, 156696, 195870, 261160, 300334, 391740, 450501, 600668, 750835, 783480, 901002, 1201336, 1501670, 1802004, 2252505, 3003340, 3604008, 4505010, 6006680, 9010020, 18020040]

約数ペア:

[(1, 18020040), (2, 9010020), (3, 6006680), (4, 4505010), (5, 3604008), (6, 3003340), (8, 2252505), (10, 1802004), (12, 1501670), (15, 1201336), (20, 901002), (23, 783480), (24, 750835), (30, 600668), (40, 450501), (46, 391740), (60, 300334), (69, 261160), (92, 195870), (115, 156696), (120, 150167), (138, 130580), (184, 97935), (230, 78348), (276, 65290), (345, 52232), (460, 39174), (552, 32645), (690, 26116), (920, 19587), (1380, 13058), (2760, 6529)]