15688740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 45384192

約数和(自身を除く): 29695452

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 191, 222, 370, 382, 444, 555, 573, 740, 764, 955, 1110, 1146, 1369, 1910, 2220, 2292, 2738, 2865, 3820, 4107, 5476, 5730, 6845, 7067, 8214, 11460, 13690, 14134, 16428, 20535, 21201, 27380, 28268, 35335, 41070, 42402, 70670, 82140, 84804, 106005, 141340, 212010, 261479, 424020, 522958, 784437, 1045916, 1307395, 1568874, 2614790, 3137748, 3922185, 5229580, 7844370, 15688740]

約数ペア:

[(1, 15688740), (2, 7844370), (3, 5229580), (4, 3922185), (5, 3137748), (6, 2614790), (10, 1568874), (12, 1307395), (15, 1045916), (20, 784437), (30, 522958), (37, 424020), (60, 261479), (74, 212010), (111, 141340), (148, 106005), (185, 84804), (191, 82140), (222, 70670), (370, 42402), (382, 41070), (444, 35335), (555, 28268), (573, 27380), (740, 21201), (764, 20535), (955, 16428), (1110, 14134), (1146, 13690), (1369, 11460), (1910, 8214), (2220, 7067), (2292, 6845), (2738, 5730), (2865, 5476), (3820, 4107)]