80124210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12539}}^1$

素因数の和:12623

約数の個数: 48

約数和(自身を含む): 211273920

約数和(自身を除く): 131149710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 12539, 25078, 37617, 62695, 75234, 112851, 125390, 188085, 225702, 376170, 564255, 890269, 1128510, 1780538, 2670807, 4451345, 5341614, 8012421, 8902690, 13354035, 16024842, 26708070, 40062105, 80124210]

約数ペア:

[(1, 80124210), (2, 40062105), (3, 26708070), (5, 16024842), (6, 13354035), (9, 8902690), (10, 8012421), (15, 5341614), (18, 4451345), (30, 2670807), (45, 1780538), (71, 1128510), (90, 890269), (142, 564255), (213, 376170), (355, 225702), (426, 188085), (639, 125390), (710, 112851), (1065, 75234), (1278, 62695), (2130, 37617), (3195, 25078), (6390, 12539)]