28493760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1$

素因数の和:530

約数の個数: 112

約数和(自身を含む): 92025216

約数和(自身を除く): 63531456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 67, 80, 96, 120, 134, 160, 192, 201, 240, 268, 320, 335, 402, 443, 480, 536, 670, 804, 886, 960, 1005, 1072, 1329, 1340, 1608, 1772, 2010, 2144, 2215, 2658, 2680, 3216, 3544, 4020, 4288, 4430, 5316, 5360, 6432, 6645, 7088, 8040, 8860, 10632, 10720, 12864, 13290, 14176, 16080, 17720, 21264, 21440, 26580, 28352, 29681, 32160, 35440, 42528, 53160, 59362, 64320, 70880, 85056, 89043, 106320, 118724, 141760, 148405, 178086, 212640, 237448, 296810, 356172, 425280, 445215, 474896, 593620, 712344, 890430, 949792, 1187240, 1424688, 1780860, 1899584, 2374480, 2849376, 3561720, 4748960, 5698752, 7123440, 9497920, 14246880, 28493760]

約数ペア:

[(1, 28493760), (2, 14246880), (3, 9497920), (4, 7123440), (5, 5698752), (6, 4748960), (8, 3561720), (10, 2849376), (12, 2374480), (15, 1899584), (16, 1780860), (20, 1424688), (24, 1187240), (30, 949792), (32, 890430), (40, 712344), (48, 593620), (60, 474896), (64, 445215), (67, 425280), (80, 356172), (96, 296810), (120, 237448), (134, 212640), (160, 178086), (192, 148405), (201, 141760), (240, 118724), (268, 106320), (320, 89043), (335, 85056), (402, 70880), (443, 64320), (480, 59362), (536, 53160), (670, 42528), (804, 35440), (886, 32160), (960, 29681), (1005, 28352), (1072, 26580), (1329, 21440), (1340, 21264), (1608, 17720), (1772, 16080), (2010, 14176), (2144, 13290), (2215, 12864), (2658, 10720), (2680, 10632), (3216, 8860), (3544, 8040), (4020, 7088), (4288, 6645), (4430, 6432), (5316, 5360)]