40815720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{937}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 145962180

約数和(自身を除く): 105146460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 937, 968, 990, 1089, 1210, 1320, 1452, 1815, 1874, 1980, 2178, 2420, 2811, 2904, 3630, 3748, 3960, 4356, 4685, 4840, 5445, 5622, 7260, 7496, 8433, 8712, 9370, 10307, 10890, 11244, 14055, 14520, 16866, 18740, 20614, 21780, 22488, 28110, 30921, 33732, 37480, 41228, 42165, 43560, 51535, 56220, 61842, 67464, 82456, 84330, 92763, 103070, 112440, 113377, 123684, 154605, 168660, 185526, 206140, 226754, 247368, 309210, 337320, 340131, 371052, 412280, 453508, 463815, 566885, 618420, 680262, 742104, 907016, 927630, 1020393, 1133770, 1236840, 1360524, 1700655, 1855260, 2040786, 2267540, 2721048, 3401310, 3710520, 4081572, 4535080, 5101965, 6802620, 8163144, 10203930, 13605240, 20407860, 40815720]

約数ペア:

[(1, 40815720), (2, 20407860), (3, 13605240), (4, 10203930), (5, 8163144), (6, 6802620), (8, 5101965), (9, 4535080), (10, 4081572), (11, 3710520), (12, 3401310), (15, 2721048), (18, 2267540), (20, 2040786), (22, 1855260), (24, 1700655), (30, 1360524), (33, 1236840), (36, 1133770), (40, 1020393), (44, 927630), (45, 907016), (55, 742104), (60, 680262), (66, 618420), (72, 566885), (88, 463815), (90, 453508), (99, 412280), (110, 371052), (120, 340131), (121, 337320), (132, 309210), (165, 247368), (180, 226754), (198, 206140), (220, 185526), (242, 168660), (264, 154605), (330, 123684), (360, 113377), (363, 112440), (396, 103070), (440, 92763), (484, 84330), (495, 82456), (605, 67464), (660, 61842), (726, 56220), (792, 51535), (937, 43560), (968, 42165), (990, 41228), (1089, 37480), (1210, 33732), (1320, 30921), (1452, 28110), (1815, 22488), (1874, 21780), (1980, 20614), (2178, 18740), (2420, 16866), (2811, 14520), (2904, 14055), (3630, 11244), (3748, 10890), (3960, 10307), (4356, 9370), (4685, 8712), (4840, 8433), (5445, 7496), (5622, 7260)]