18408040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2267}}^1$

素因数の和:2314

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 30580760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2267, 4060, 4534, 8120, 9068, 11335, 15869, 18136, 22670, 31738, 45340, 63476, 65743, 79345, 90680, 126952, 131486, 158690, 262972, 317380, 328715, 460201, 525944, 634760, 657430, 920402, 1314860, 1840804, 2301005, 2629720, 3681608, 4602010, 9204020, 18408040]

約数ペア:

[(1, 18408040), (2, 9204020), (4, 4602010), (5, 3681608), (7, 2629720), (8, 2301005), (10, 1840804), (14, 1314860), (20, 920402), (28, 657430), (29, 634760), (35, 525944), (40, 460201), (56, 328715), (58, 317380), (70, 262972), (116, 158690), (140, 131486), (145, 126952), (203, 90680), (232, 79345), (280, 65743), (290, 63476), (406, 45340), (580, 31738), (812, 22670), (1015, 18136), (1160, 15869), (1624, 11335), (2030, 9068), (2267, 8120), (4060, 4534)]