2546555580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199261}}^1$

素因数の和:199347

約数の個数: 72

約数和(自身を含む): 7833387744

約数和(自身を除く): 5286832164

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, 6390, 12780, 199261, 398522, 597783, 797044, 996305, 1195566, 1793349, 1992610, 2391132, 2988915, 3586698, 3985220, 5977830, 7173396, 8966745, 11955660, 14147531, 17933490, 28295062, 35866980, 42442593, 56590124, 70737655, 84885186, 127327779, 141475310, 169770372, 212212965, 254655558, 282950620, 424425930, 509311116, 636638895, 848851860, 1273277790, 2546555580]

約数ペア:

[(1, 2546555580), (2, 1273277790), (3, 848851860), (4, 636638895), (5, 509311116), (6, 424425930), (9, 282950620), (10, 254655558), (12, 212212965), (15, 169770372), (18, 141475310), (20, 127327779), (30, 84885186), (36, 70737655), (45, 56590124), (60, 42442593), (71, 35866980), (90, 28295062), (142, 17933490), (180, 14147531), (213, 11955660), (284, 8966745), (355, 7173396), (426, 5977830), (639, 3985220), (710, 3586698), (852, 2988915), (1065, 2391132), (1278, 1992610), (1420, 1793349), (2130, 1195566), (2556, 996305), (3195, 797044), (4260, 597783), (6390, 398522), (12780, 199261)]