42605920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:480

約数の個数: 96

約数和(自身を含む): 116424000

約数和(自身を除く): 73818080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 109, 112, 140, 160, 218, 224, 280, 349, 436, 545, 560, 698, 763, 872, 1090, 1120, 1396, 1526, 1744, 1745, 2180, 2443, 2792, 3052, 3488, 3490, 3815, 4360, 4886, 5584, 6104, 6980, 7630, 8720, 9772, 11168, 12208, 12215, 13960, 15260, 17440, 19544, 24416, 24430, 27920, 30520, 38041, 39088, 48860, 55840, 61040, 76082, 78176, 97720, 122080, 152164, 190205, 195440, 266287, 304328, 380410, 390880, 532574, 608656, 760820, 1065148, 1217312, 1331435, 1521640, 2130296, 2662870, 3043280, 4260592, 5325740, 6086560, 8521184, 10651480, 21302960, 42605920]

約数ペア:

[(1, 42605920), (2, 21302960), (4, 10651480), (5, 8521184), (7, 6086560), (8, 5325740), (10, 4260592), (14, 3043280), (16, 2662870), (20, 2130296), (28, 1521640), (32, 1331435), (35, 1217312), (40, 1065148), (56, 760820), (70, 608656), (80, 532574), (109, 390880), (112, 380410), (140, 304328), (160, 266287), (218, 195440), (224, 190205), (280, 152164), (349, 122080), (436, 97720), (545, 78176), (560, 76082), (698, 61040), (763, 55840), (872, 48860), (1090, 39088), (1120, 38041), (1396, 30520), (1526, 27920), (1744, 24430), (1745, 24416), (2180, 19544), (2443, 17440), (2792, 15260), (3052, 13960), (3488, 12215), (3490, 12208), (3815, 11168), (4360, 9772), (4886, 8720), (5584, 7630), (6104, 6980)]