681540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 1966272

約数和(自身を除く): 1284732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 307, 370, 444, 555, 614, 740, 921, 1110, 1228, 1535, 1842, 2220, 3070, 3684, 4605, 6140, 9210, 11359, 18420, 22718, 34077, 45436, 56795, 68154, 113590, 136308, 170385, 227180, 340770, 681540]

約数ペア:

[(1, 681540), (2, 340770), (3, 227180), (4, 170385), (5, 136308), (6, 113590), (10, 68154), (12, 56795), (15, 45436), (20, 34077), (30, 22718), (37, 18420), (60, 11359), (74, 9210), (111, 6140), (148, 4605), (185, 3684), (222, 3070), (307, 2220), (370, 1842), (444, 1535), (555, 1228), (614, 1110), (740, 921)]