28747440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13309}}^1$

素因数の和:13331

約数の個数: 80

約数和(自身を含む): 99026400

約数和(自身を除く): 70278960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 13309, 26618, 39927, 53236, 66545, 79854, 106472, 119781, 133090, 159708, 199635, 212944, 239562, 266180, 319416, 359343, 399270, 479124, 532360, 598905, 638832, 718686, 798540, 958248, 1064720, 1197810, 1437372, 1597080, 1796715, 1916496, 2395620, 2874744, 3194160, 3593430, 4791240, 5749488, 7186860, 9582480, 14373720, 28747440]

約数ペア:

[(1, 28747440), (2, 14373720), (3, 9582480), (4, 7186860), (5, 5749488), (6, 4791240), (8, 3593430), (9, 3194160), (10, 2874744), (12, 2395620), (15, 1916496), (16, 1796715), (18, 1597080), (20, 1437372), (24, 1197810), (27, 1064720), (30, 958248), (36, 798540), (40, 718686), (45, 638832), (48, 598905), (54, 532360), (60, 479124), (72, 399270), (80, 359343), (90, 319416), (108, 266180), (120, 239562), (135, 212944), (144, 199635), (180, 159708), (216, 133090), (240, 119781), (270, 106472), (360, 79854), (432, 66545), (540, 53236), (720, 39927), (1080, 26618), (2160, 13309)]