13278420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 40884480

約数和(自身を除く): 27606060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1039, 1065, 1278, 1420, 2078, 2130, 2556, 3117, 3195, 4156, 4260, 5195, 6234, 6390, 9351, 10390, 12468, 12780, 15585, 18702, 20780, 31170, 37404, 46755, 62340, 73769, 93510, 147538, 187020, 221307, 295076, 368845, 442614, 663921, 737690, 885228, 1106535, 1327842, 1475380, 2213070, 2655684, 3319605, 4426140, 6639210, 13278420]

約数ペア:

[(1, 13278420), (2, 6639210), (3, 4426140), (4, 3319605), (5, 2655684), (6, 2213070), (9, 1475380), (10, 1327842), (12, 1106535), (15, 885228), (18, 737690), (20, 663921), (30, 442614), (36, 368845), (45, 295076), (60, 221307), (71, 187020), (90, 147538), (142, 93510), (180, 73769), (213, 62340), (284, 46755), (355, 37404), (426, 31170), (639, 20780), (710, 18702), (852, 15585), (1039, 12780), (1065, 12468), (1278, 10390), (1420, 9351), (2078, 6390), (2130, 6234), (2556, 5195), (3117, 4260), (3195, 4156)]