18057520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 45934560

約数和(自身を除く): 27877040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 104, 130, 179, 194, 208, 260, 358, 388, 485, 520, 716, 776, 895, 970, 1040, 1261, 1432, 1552, 1790, 1940, 2327, 2522, 2864, 3580, 3880, 4654, 5044, 6305, 7160, 7760, 9308, 10088, 11635, 12610, 14320, 17363, 18616, 20176, 23270, 25220, 34726, 37232, 46540, 50440, 69452, 86815, 93080, 100880, 138904, 173630, 186160, 225719, 277808, 347260, 451438, 694520, 902876, 1128595, 1389040, 1805752, 2257190, 3611504, 4514380, 9028760, 18057520]

約数ペア:

[(1, 18057520), (2, 9028760), (4, 4514380), (5, 3611504), (8, 2257190), (10, 1805752), (13, 1389040), (16, 1128595), (20, 902876), (26, 694520), (40, 451438), (52, 347260), (65, 277808), (80, 225719), (97, 186160), (104, 173630), (130, 138904), (179, 100880), (194, 93080), (208, 86815), (260, 69452), (358, 50440), (388, 46540), (485, 37232), (520, 34726), (716, 25220), (776, 23270), (895, 20176), (970, 18616), (1040, 17363), (1261, 14320), (1432, 12610), (1552, 11635), (1790, 10088), (1940, 9308), (2327, 7760), (2522, 7160), (2864, 6305), (3580, 5044), (3880, 4654)]