25977420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 91990080

約数和(自身を除く): 66012660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 389, 420, 477, 530, 630, 636, 742, 778, 795, 954, 1060, 1113, 1167, 1260, 1484, 1556, 1590, 1855, 1908, 1945, 2226, 2334, 2385, 2723, 3180, 3339, 3501, 3710, 3890, 4452, 4668, 4770, 5446, 5565, 5835, 6678, 7002, 7420, 7780, 8169, 9540, 10892, 11130, 11670, 13356, 13615, 14004, 16338, 16695, 17505, 20617, 22260, 23340, 24507, 27230, 32676, 33390, 35010, 40845, 41234, 49014, 54460, 61851, 66780, 70020, 81690, 82468, 98028, 103085, 122535, 123702, 144319, 163380, 185553, 206170, 245070, 247404, 288638, 309255, 371106, 412340, 432957, 490140, 577276, 618510, 721595, 742212, 865914, 927765, 1237020, 1298871, 1443190, 1731828, 1855530, 2164785, 2597742, 2886380, 3711060, 4329570, 5195484, 6494355, 8659140, 12988710, 25977420]

約数ペア:

[(1, 25977420), (2, 12988710), (3, 8659140), (4, 6494355), (5, 5195484), (6, 4329570), (7, 3711060), (9, 2886380), (10, 2597742), (12, 2164785), (14, 1855530), (15, 1731828), (18, 1443190), (20, 1298871), (21, 1237020), (28, 927765), (30, 865914), (35, 742212), (36, 721595), (42, 618510), (45, 577276), (53, 490140), (60, 432957), (63, 412340), (70, 371106), (84, 309255), (90, 288638), (105, 247404), (106, 245070), (126, 206170), (140, 185553), (159, 163380), (180, 144319), (210, 123702), (212, 122535), (252, 103085), (265, 98028), (315, 82468), (318, 81690), (371, 70020), (389, 66780), (420, 61851), (477, 54460), (530, 49014), (630, 41234), (636, 40845), (742, 35010), (778, 33390), (795, 32676), (954, 27230), (1060, 24507), (1113, 23340), (1167, 22260), (1260, 20617), (1484, 17505), (1556, 16695), (1590, 16338), (1855, 14004), (1908, 13615), (1945, 13356), (2226, 11670), (2334, 11130), (2385, 10892), (2723, 9540), (3180, 8169), (3339, 7780), (3501, 7420), (3710, 7002), (3890, 6678), (4452, 5835), (4668, 5565), (4770, 5446)]