74478780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 237523104

約数和(自身を除く): 163044324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 53, 60, 74, 90, 106, 111, 148, 159, 180, 185, 211, 212, 222, 265, 318, 333, 370, 422, 444, 477, 530, 555, 633, 636, 666, 740, 795, 844, 954, 1055, 1060, 1110, 1266, 1332, 1590, 1665, 1899, 1908, 1961, 2110, 2220, 2385, 2532, 3165, 3180, 3330, 3798, 3922, 4220, 4770, 5883, 6330, 6660, 7596, 7807, 7844, 9495, 9540, 9805, 11183, 11766, 12660, 15614, 17649, 18990, 19610, 22366, 23421, 23532, 29415, 31228, 33549, 35298, 37980, 39035, 39220, 44732, 46842, 55915, 58830, 67098, 70263, 70596, 78070, 88245, 93684, 100647, 111830, 117105, 117660, 134196, 140526, 156140, 167745, 176490, 201294, 223660, 234210, 281052, 335490, 351315, 352980, 402588, 413771, 468420, 503235, 670980, 702630, 827542, 1006470, 1241313, 1405260, 1655084, 2012940, 2068855, 2482626, 3723939, 4137710, 4965252, 6206565, 7447878, 8275420, 12413130, 14895756, 18619695, 24826260, 37239390, 74478780]

約数ペア:

[(1, 74478780), (2, 37239390), (3, 24826260), (4, 18619695), (5, 14895756), (6, 12413130), (9, 8275420), (10, 7447878), (12, 6206565), (15, 4965252), (18, 4137710), (20, 3723939), (30, 2482626), (36, 2068855), (37, 2012940), (45, 1655084), (53, 1405260), (60, 1241313), (74, 1006470), (90, 827542), (106, 702630), (111, 670980), (148, 503235), (159, 468420), (180, 413771), (185, 402588), (211, 352980), (212, 351315), (222, 335490), (265, 281052), (318, 234210), (333, 223660), (370, 201294), (422, 176490), (444, 167745), (477, 156140), (530, 140526), (555, 134196), (633, 117660), (636, 117105), (666, 111830), (740, 100647), (795, 93684), (844, 88245), (954, 78070), (1055, 70596), (1060, 70263), (1110, 67098), (1266, 58830), (1332, 55915), (1590, 46842), (1665, 44732), (1899, 39220), (1908, 39035), (1961, 37980), (2110, 35298), (2220, 33549), (2385, 31228), (2532, 29415), (3165, 23532), (3180, 23421), (3330, 22366), (3798, 19610), (3922, 18990), (4220, 17649), (4770, 15614), (5883, 12660), (6330, 11766), (6660, 11183), (7596, 9805), (7807, 9540), (7844, 9495)]