168587540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 402192000

約数和(自身を除く): 233604460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 139, 148, 149, 185, 220, 278, 298, 370, 407, 556, 596, 695, 740, 745, 814, 1390, 1490, 1529, 1628, 1639, 2035, 2780, 2980, 3058, 3278, 4070, 5143, 5513, 6116, 6556, 7645, 8140, 8195, 10286, 11026, 15290, 16390, 20572, 20711, 22052, 25715, 27565, 30580, 32780, 41422, 51430, 55130, 56573, 60643, 82844, 102860, 103555, 110260, 113146, 121286, 207110, 226292, 227821, 242572, 282865, 303215, 414220, 455642, 565730, 606430, 766307, 911284, 1131460, 1139105, 1212860, 1532614, 2278210, 3065228, 3831535, 4556420, 7663070, 8429377, 15326140, 16858754, 33717508, 42146885, 84293770, 168587540]

約数ペア:

[(1, 168587540), (2, 84293770), (4, 42146885), (5, 33717508), (10, 16858754), (11, 15326140), (20, 8429377), (22, 7663070), (37, 4556420), (44, 3831535), (55, 3065228), (74, 2278210), (110, 1532614), (139, 1212860), (148, 1139105), (149, 1131460), (185, 911284), (220, 766307), (278, 606430), (298, 565730), (370, 455642), (407, 414220), (556, 303215), (596, 282865), (695, 242572), (740, 227821), (745, 226292), (814, 207110), (1390, 121286), (1490, 113146), (1529, 110260), (1628, 103555), (1639, 102860), (2035, 82844), (2780, 60643), (2980, 56573), (3058, 55130), (3278, 51430), (4070, 41422), (5143, 32780), (5513, 30580), (6116, 27565), (6556, 25715), (7645, 22052), (8140, 20711), (8195, 20572), (10286, 16390), (11026, 15290)]