26161020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1555

約数の個数: 72

約数和(自身を含む): 80196480

約数和(自身を除く): 54035460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1439, 1515, 1818, 2020, 2878, 3030, 3636, 4317, 4545, 5756, 6060, 7195, 8634, 9090, 12951, 14390, 17268, 18180, 21585, 25902, 28780, 43170, 51804, 64755, 86340, 129510, 145339, 259020, 290678, 436017, 581356, 726695, 872034, 1308051, 1453390, 1744068, 2180085, 2616102, 2906780, 4360170, 5232204, 6540255, 8720340, 13080510, 26161020]

約数ペア:

[(1, 26161020), (2, 13080510), (3, 8720340), (4, 6540255), (5, 5232204), (6, 4360170), (9, 2906780), (10, 2616102), (12, 2180085), (15, 1744068), (18, 1453390), (20, 1308051), (30, 872034), (36, 726695), (45, 581356), (60, 436017), (90, 290678), (101, 259020), (180, 145339), (202, 129510), (303, 86340), (404, 64755), (505, 51804), (606, 43170), (909, 28780), (1010, 25902), (1212, 21585), (1439, 18180), (1515, 17268), (1818, 14390), (2020, 12951), (2878, 9090), (3030, 8634), (3636, 7195), (4317, 6060), (4545, 5756)]