72918420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{17117}}^1$

素因数の和:17200

約数の個数: 48

約数和(自身を含む): 207059328

約数和(自身を除く): 134140908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 17117, 34234, 51351, 68468, 85585, 102702, 171170, 205404, 256755, 342340, 513510, 1027020, 1215307, 2430614, 3645921, 4861228, 6076535, 7291842, 12153070, 14583684, 18229605, 24306140, 36459210, 72918420]

約数ペア:

[(1, 72918420), (2, 36459210), (3, 24306140), (4, 18229605), (5, 14583684), (6, 12153070), (10, 7291842), (12, 6076535), (15, 4861228), (20, 3645921), (30, 2430614), (60, 1215307), (71, 1027020), (142, 513510), (213, 342340), (284, 256755), (355, 205404), (426, 171170), (710, 102702), (852, 85585), (1065, 68468), (1420, 51351), (2130, 34234), (4260, 17117)]