61510140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4813}}^1$

素因数の和:4899

約数の個数: 72

約数和(自身を含む): 189247968

約数和(自身を除く): 127737828

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, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 4813, 6390, 9626, 12780, 14439, 19252, 24065, 28878, 43317, 48130, 57756, 72195, 86634, 96260, 144390, 173268, 216585, 288780, 341723, 433170, 683446, 866340, 1025169, 1366892, 1708615, 2050338, 3075507, 3417230, 4100676, 5125845, 6151014, 6834460, 10251690, 12302028, 15377535, 20503380, 30755070, 61510140]

約数ペア:

[(1, 61510140), (2, 30755070), (3, 20503380), (4, 15377535), (5, 12302028), (6, 10251690), (9, 6834460), (10, 6151014), (12, 5125845), (15, 4100676), (18, 3417230), (20, 3075507), (30, 2050338), (36, 1708615), (45, 1366892), (60, 1025169), (71, 866340), (90, 683446), (142, 433170), (180, 341723), (213, 288780), (284, 216585), (355, 173268), (426, 144390), (639, 96260), (710, 86634), (852, 72195), (1065, 57756), (1278, 48130), (1420, 43317), (2130, 28878), (2556, 24065), (3195, 19252), (4260, 14439), (4813, 12780), (6390, 9626)]