28945620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{443}}^1$

素因数の和:483

約数の個数: 144

約数和(自身を含む): 99207360

約数和(自身を除く): 70261740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 121, 132, 135, 165, 180, 198, 220, 242, 270, 297, 330, 363, 396, 443, 484, 495, 540, 594, 605, 660, 726, 886, 990, 1089, 1188, 1210, 1329, 1452, 1485, 1772, 1815, 1980, 2178, 2215, 2420, 2658, 2970, 3267, 3630, 3987, 4356, 4430, 4873, 5316, 5445, 5940, 6534, 6645, 7260, 7974, 8860, 9746, 10890, 11961, 13068, 13290, 14619, 15948, 16335, 19492, 19935, 21780, 23922, 24365, 26580, 29238, 32670, 39870, 43857, 47844, 48730, 53603, 58476, 59805, 65340, 73095, 79740, 87714, 97460, 107206, 119610, 131571, 146190, 160809, 175428, 214412, 219285, 239220, 263142, 268015, 292380, 321618, 438570, 482427, 526284, 536030, 643236, 657855, 804045, 877140, 964854, 1072060, 1315710, 1447281, 1608090, 1929708, 2412135, 2631420, 2894562, 3216180, 4824270, 5789124, 7236405, 9648540, 14472810, 28945620]

約数ペア:

[(1, 28945620), (2, 14472810), (3, 9648540), (4, 7236405), (5, 5789124), (6, 4824270), (9, 3216180), (10, 2894562), (11, 2631420), (12, 2412135), (15, 1929708), (18, 1608090), (20, 1447281), (22, 1315710), (27, 1072060), (30, 964854), (33, 877140), (36, 804045), (44, 657855), (45, 643236), (54, 536030), (55, 526284), (60, 482427), (66, 438570), (90, 321618), (99, 292380), (108, 268015), (110, 263142), (121, 239220), (132, 219285), (135, 214412), (165, 175428), (180, 160809), (198, 146190), (220, 131571), (242, 119610), (270, 107206), (297, 97460), (330, 87714), (363, 79740), (396, 73095), (443, 65340), (484, 59805), (495, 58476), (540, 53603), (594, 48730), (605, 47844), (660, 43857), (726, 39870), (886, 32670), (990, 29238), (1089, 26580), (1188, 24365), (1210, 23922), (1329, 21780), (1452, 19935), (1485, 19492), (1772, 16335), (1815, 15948), (1980, 14619), (2178, 13290), (2215, 13068), (2420, 11961), (2658, 10890), (2970, 9746), (3267, 8860), (3630, 7974), (3987, 7260), (4356, 6645), (4430, 6534), (4873, 5940), (5316, 5445)]