90287600

素因数分解:

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

素因数の和:307

約数の個数: 120

約数和(自身を含む): 237328560

約数和(自身を除く): 147040960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 97, 100, 104, 130, 179, 194, 200, 208, 260, 325, 358, 388, 400, 485, 520, 650, 716, 776, 895, 970, 1040, 1261, 1300, 1432, 1552, 1790, 1940, 2327, 2425, 2522, 2600, 2864, 3580, 3880, 4475, 4654, 4850, 5044, 5200, 6305, 7160, 7760, 8950, 9308, 9700, 10088, 11635, 12610, 14320, 17363, 17900, 18616, 19400, 20176, 23270, 25220, 31525, 34726, 35800, 37232, 38800, 46540, 50440, 58175, 63050, 69452, 71600, 86815, 93080, 100880, 116350, 126100, 138904, 173630, 186160, 225719, 232700, 252200, 277808, 347260, 434075, 451438, 465400, 504400, 694520, 868150, 902876, 930800, 1128595, 1389040, 1736300, 1805752, 2257190, 3472600, 3611504, 4514380, 5642975, 6945200, 9028760, 11285950, 18057520, 22571900, 45143800, 90287600]

約数ペア:

[(1, 90287600), (2, 45143800), (4, 22571900), (5, 18057520), (8, 11285950), (10, 9028760), (13, 6945200), (16, 5642975), (20, 4514380), (25, 3611504), (26, 3472600), (40, 2257190), (50, 1805752), (52, 1736300), (65, 1389040), (80, 1128595), (97, 930800), (100, 902876), (104, 868150), (130, 694520), (179, 504400), (194, 465400), (200, 451438), (208, 434075), (260, 347260), (325, 277808), (358, 252200), (388, 232700), (400, 225719), (485, 186160), (520, 173630), (650, 138904), (716, 126100), (776, 116350), (895, 100880), (970, 93080), (1040, 86815), (1261, 71600), (1300, 69452), (1432, 63050), (1552, 58175), (1790, 50440), (1940, 46540), (2327, 38800), (2425, 37232), (2522, 35800), (2600, 34726), (2864, 31525), (3580, 25220), (3880, 23270), (4475, 20176), (4654, 19400), (4850, 18616), (5044, 17900), (5200, 17363), (6305, 14320), (7160, 12610), (7760, 11635), (8950, 10088), (9308, 9700)]