28465140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 192

約数和(自身を含む): 95800320

約数和(自身を除く): 67335180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 43, 44, 51, 55, 59, 60, 66, 68, 85, 86, 102, 110, 118, 129, 132, 165, 170, 172, 177, 187, 204, 215, 220, 236, 255, 258, 295, 330, 340, 354, 374, 430, 473, 510, 516, 561, 590, 645, 649, 660, 708, 731, 748, 860, 885, 935, 946, 1003, 1020, 1122, 1180, 1290, 1298, 1419, 1462, 1770, 1870, 1892, 1947, 2006, 2193, 2244, 2365, 2537, 2580, 2596, 2805, 2838, 2924, 3009, 3245, 3540, 3655, 3740, 3894, 4012, 4386, 4730, 5015, 5074, 5610, 5676, 6018, 6490, 7095, 7310, 7611, 7788, 8041, 8772, 9460, 9735, 10030, 10148, 10965, 11033, 11220, 12036, 12685, 12980, 14190, 14620, 15045, 15222, 16082, 19470, 20060, 21930, 22066, 24123, 25370, 27907, 28380, 30090, 30444, 32164, 33099, 38055, 38940, 40205, 43129, 43860, 44132, 48246, 50740, 55165, 55814, 60180, 66198, 76110, 80410, 83721, 86258, 96492, 110330, 111628, 120615, 129387, 132396, 139535, 152220, 160820, 165495, 167442, 172516, 215645, 220660, 241230, 258774, 279070, 330990, 334884, 418605, 431290, 474419, 482460, 517548, 558140, 646935, 661980, 837210, 862580, 948838, 1293870, 1423257, 1674420, 1897676, 2372095, 2587740, 2846514, 4744190, 5693028, 7116285, 9488380, 14232570, 28465140]

約数ペア:

[(1, 28465140), (2, 14232570), (3, 9488380), (4, 7116285), (5, 5693028), (6, 4744190), (10, 2846514), (11, 2587740), (12, 2372095), (15, 1897676), (17, 1674420), (20, 1423257), (22, 1293870), (30, 948838), (33, 862580), (34, 837210), (43, 661980), (44, 646935), (51, 558140), (55, 517548), (59, 482460), (60, 474419), (66, 431290), (68, 418605), (85, 334884), (86, 330990), (102, 279070), (110, 258774), (118, 241230), (129, 220660), (132, 215645), (165, 172516), (170, 167442), (172, 165495), (177, 160820), (187, 152220), (204, 139535), (215, 132396), (220, 129387), (236, 120615), (255, 111628), (258, 110330), (295, 96492), (330, 86258), (340, 83721), (354, 80410), (374, 76110), (430, 66198), (473, 60180), (510, 55814), (516, 55165), (561, 50740), (590, 48246), (645, 44132), (649, 43860), (660, 43129), (708, 40205), (731, 38940), (748, 38055), (860, 33099), (885, 32164), (935, 30444), (946, 30090), (1003, 28380), (1020, 27907), (1122, 25370), (1180, 24123), (1290, 22066), (1298, 21930), (1419, 20060), (1462, 19470), (1770, 16082), (1870, 15222), (1892, 15045), (1947, 14620), (2006, 14190), (2193, 12980), (2244, 12685), (2365, 12036), (2537, 11220), (2580, 11033), (2596, 10965), (2805, 10148), (2838, 10030), (2924, 9735), (3009, 9460), (3245, 8772), (3540, 8041), (3655, 7788), (3740, 7611), (3894, 7310), (4012, 7095), (4386, 6490), (4730, 6018), (5015, 5676), (5074, 5610)]