138678420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{21601}}^1$

素因数の和:21720

約数の個数: 48

約数和(自身を含む): 391946688

約数和(自身を除く): 253268268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 21601, 43202, 64803, 86404, 108005, 129606, 216010, 259212, 324015, 432020, 648030, 1296060, 2311307, 4622614, 6933921, 9245228, 11556535, 13867842, 23113070, 27735684, 34669605, 46226140, 69339210, 138678420]

約数ペア:

[(1, 138678420), (2, 69339210), (3, 46226140), (4, 34669605), (5, 27735684), (6, 23113070), (10, 13867842), (12, 11556535), (15, 9245228), (20, 6933921), (30, 4622614), (60, 2311307), (107, 1296060), (214, 648030), (321, 432020), (428, 324015), (535, 259212), (642, 216010), (1070, 129606), (1284, 108005), (1605, 86404), (2140, 64803), (3210, 43202), (6420, 21601)]