19561320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{811}}^1$

素因数の和:895

約数の個数: 96

約数和(自身を含む): 64602720

約数和(自身を除く): 45041400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 811, 1005, 1206, 1340, 1608, 1622, 2010, 2412, 2433, 2680, 3015, 3244, 4020, 4055, 4824, 4866, 6030, 6488, 7299, 8040, 8110, 9732, 12060, 12165, 14598, 16220, 19464, 24120, 24330, 29196, 32440, 36495, 48660, 54337, 58392, 72990, 97320, 108674, 145980, 163011, 217348, 271685, 291960, 326022, 434696, 489033, 543370, 652044, 815055, 978066, 1086740, 1304088, 1630110, 1956132, 2173480, 2445165, 3260220, 3912264, 4890330, 6520440, 9780660, 19561320]

約数ペア:

[(1, 19561320), (2, 9780660), (3, 6520440), (4, 4890330), (5, 3912264), (6, 3260220), (8, 2445165), (9, 2173480), (10, 1956132), (12, 1630110), (15, 1304088), (18, 1086740), (20, 978066), (24, 815055), (30, 652044), (36, 543370), (40, 489033), (45, 434696), (60, 326022), (67, 291960), (72, 271685), (90, 217348), (120, 163011), (134, 145980), (180, 108674), (201, 97320), (268, 72990), (335, 58392), (360, 54337), (402, 48660), (536, 36495), (603, 32440), (670, 29196), (804, 24330), (811, 24120), (1005, 19464), (1206, 16220), (1340, 14598), (1608, 12165), (1622, 12060), (2010, 9732), (2412, 8110), (2433, 8040), (2680, 7299), (3015, 6488), (3244, 6030), (4020, 4866), (4055, 4824)]