18060640

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:504

約数の個数: 96

約数和(自身を含む): 48474720

約数和(自身を除く): 30414080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 457, 494, 520, 608, 760, 914, 988, 1040, 1235, 1520, 1828, 1976, 2080, 2285, 2470, 3040, 3656, 3952, 4570, 4940, 5941, 7312, 7904, 8683, 9140, 9880, 11882, 14624, 17366, 18280, 19760, 23764, 29705, 34732, 36560, 39520, 43415, 47528, 59410, 69464, 73120, 86830, 95056, 112879, 118820, 138928, 173660, 190112, 225758, 237640, 277856, 347320, 451516, 475280, 564395, 694640, 903032, 950560, 1128790, 1389280, 1806064, 2257580, 3612128, 4515160, 9030320, 18060640]

約数ペア:

[(1, 18060640), (2, 9030320), (4, 4515160), (5, 3612128), (8, 2257580), (10, 1806064), (13, 1389280), (16, 1128790), (19, 950560), (20, 903032), (26, 694640), (32, 564395), (38, 475280), (40, 451516), (52, 347320), (65, 277856), (76, 237640), (80, 225758), (95, 190112), (104, 173660), (130, 138928), (152, 118820), (160, 112879), (190, 95056), (208, 86830), (247, 73120), (260, 69464), (304, 59410), (380, 47528), (416, 43415), (457, 39520), (494, 36560), (520, 34732), (608, 29705), (760, 23764), (914, 19760), (988, 18280), (1040, 17366), (1235, 14624), (1520, 11882), (1828, 9880), (1976, 9140), (2080, 8683), (2285, 7904), (2470, 7312), (3040, 5941), (3656, 4940), (3952, 4570)]