1280451240

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{395201}}^1$

素因数の和:395224

約数の個数: 80

約数和(自身を含む): 4303749780

約数和(自身を除く): 3023298540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 395201, 790402, 1185603, 1580804, 1976005, 2371206, 3161608, 3556809, 3952010, 4742412, 5928015, 7113618, 7904020, 9484824, 10670427, 11856030, 14227236, 15808040, 17784045, 21340854, 23712060, 28454472, 32011281, 35568090, 42681708, 47424120, 53352135, 64022562, 71136180, 85363416, 106704270, 128045124, 142272360, 160056405, 213408540, 256090248, 320112810, 426817080, 640225620, 1280451240]

約数ペア:

[(1, 1280451240), (2, 640225620), (3, 426817080), (4, 320112810), (5, 256090248), (6, 213408540), (8, 160056405), (9, 142272360), (10, 128045124), (12, 106704270), (15, 85363416), (18, 71136180), (20, 64022562), (24, 53352135), (27, 47424120), (30, 42681708), (36, 35568090), (40, 32011281), (45, 28454472), (54, 23712060), (60, 21340854), (72, 17784045), (81, 15808040), (90, 14227236), (108, 11856030), (120, 10670427), (135, 9484824), (162, 7904020), (180, 7113618), (216, 5928015), (270, 4742412), (324, 3952010), (360, 3556809), (405, 3161608), (540, 2371206), (648, 1976005), (810, 1580804), (1080, 1185603), (1620, 790402), (3240, 395201)]