15854640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2131}}^1$

素因数の和:2178

約数の個数: 80

約数和(自身を含む): 50758656

約数和(自身を除く): 34904016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2131, 2480, 3720, 4262, 6393, 7440, 8524, 10655, 12786, 17048, 21310, 25572, 31965, 34096, 42620, 51144, 63930, 66061, 85240, 102288, 127860, 132122, 170480, 198183, 255720, 264244, 330305, 396366, 511440, 528488, 660610, 792732, 990915, 1056976, 1321220, 1585464, 1981830, 2642440, 3170928, 3963660, 5284880, 7927320, 15854640]

約数ペア:

[(1, 15854640), (2, 7927320), (3, 5284880), (4, 3963660), (5, 3170928), (6, 2642440), (8, 1981830), (10, 1585464), (12, 1321220), (15, 1056976), (16, 990915), (20, 792732), (24, 660610), (30, 528488), (31, 511440), (40, 396366), (48, 330305), (60, 264244), (62, 255720), (80, 198183), (93, 170480), (120, 132122), (124, 127860), (155, 102288), (186, 85240), (240, 66061), (248, 63930), (310, 51144), (372, 42620), (465, 34096), (496, 31965), (620, 25572), (744, 21310), (930, 17048), (1240, 12786), (1488, 10655), (1860, 8524), (2131, 7440), (2480, 6393), (3720, 4262)]