40013280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{751}}^1$

素因数の和:809

約数の個数: 144

約数和(自身を含む): 140422464

約数和(自身を除く): 100409184

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 288, 296, 333, 360, 370, 444, 480, 555, 592, 666, 720, 740, 751, 888, 1110, 1184, 1332, 1440, 1480, 1502, 1665, 1776, 2220, 2253, 2664, 2960, 3004, 3330, 3552, 3755, 4440, 4506, 5328, 5920, 6008, 6660, 6759, 7510, 8880, 9012, 10656, 11265, 12016, 13320, 13518, 15020, 17760, 18024, 22530, 24032, 26640, 27036, 27787, 30040, 33795, 36048, 45060, 53280, 54072, 55574, 60080, 67590, 72096, 83361, 90120, 108144, 111148, 120160, 135180, 138935, 166722, 180240, 216288, 222296, 250083, 270360, 277870, 333444, 360480, 416805, 444592, 500166, 540720, 555740, 666888, 833610, 889184, 1000332, 1081440, 1111480, 1250415, 1333776, 1667220, 2000664, 2222960, 2500830, 2667552, 3334440, 4001328, 4445920, 5001660, 6668880, 8002656, 10003320, 13337760, 20006640, 40013280]

約数ペア:

[(1, 40013280), (2, 20006640), (3, 13337760), (4, 10003320), (5, 8002656), (6, 6668880), (8, 5001660), (9, 4445920), (10, 4001328), (12, 3334440), (15, 2667552), (16, 2500830), (18, 2222960), (20, 2000664), (24, 1667220), (30, 1333776), (32, 1250415), (36, 1111480), (37, 1081440), (40, 1000332), (45, 889184), (48, 833610), (60, 666888), (72, 555740), (74, 540720), (80, 500166), (90, 444592), (96, 416805), (111, 360480), (120, 333444), (144, 277870), (148, 270360), (160, 250083), (180, 222296), (185, 216288), (222, 180240), (240, 166722), (288, 138935), (296, 135180), (333, 120160), (360, 111148), (370, 108144), (444, 90120), (480, 83361), (555, 72096), (592, 67590), (666, 60080), (720, 55574), (740, 54072), (751, 53280), (888, 45060), (1110, 36048), (1184, 33795), (1332, 30040), (1440, 27787), (1480, 27036), (1502, 26640), (1665, 24032), (1776, 22530), (2220, 18024), (2253, 17760), (2664, 15020), (2960, 13518), (3004, 13320), (3330, 12016), (3552, 11265), (3755, 10656), (4440, 9012), (4506, 8880), (5328, 7510), (5920, 6759), (6008, 6660)]