79892820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:574

約数の個数: 144

約数和(自身を含む): 279377280

約数和(自身を除く): 199484460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 389, 420, 489, 630, 652, 778, 815, 978, 1141, 1167, 1260, 1467, 1556, 1630, 1945, 1956, 2282, 2334, 2445, 2723, 2934, 3260, 3423, 3501, 3890, 4564, 4668, 4890, 5446, 5705, 5835, 5868, 6846, 7002, 7335, 7780, 8169, 9780, 10269, 10892, 11410, 11670, 13615, 13692, 14004, 14670, 16338, 17115, 17505, 20538, 22820, 23340, 24507, 27230, 29340, 32676, 34230, 35010, 40845, 41076, 49014, 51345, 54460, 63407, 68460, 70020, 81690, 98028, 102690, 122535, 126814, 163380, 190221, 205380, 245070, 253628, 317035, 380442, 443849, 490140, 570663, 634070, 760884, 887698, 951105, 1141326, 1268140, 1331547, 1775396, 1902210, 2219245, 2282652, 2663094, 2853315, 3804420, 3994641, 4438490, 5326188, 5706630, 6657735, 7989282, 8876980, 11413260, 13315470, 15978564, 19973205, 26630940, 39946410, 79892820]

約数ペア:

[(1, 79892820), (2, 39946410), (3, 26630940), (4, 19973205), (5, 15978564), (6, 13315470), (7, 11413260), (9, 8876980), (10, 7989282), (12, 6657735), (14, 5706630), (15, 5326188), (18, 4438490), (20, 3994641), (21, 3804420), (28, 2853315), (30, 2663094), (35, 2282652), (36, 2219245), (42, 1902210), (45, 1775396), (60, 1331547), (63, 1268140), (70, 1141326), (84, 951105), (90, 887698), (105, 760884), (126, 634070), (140, 570663), (163, 490140), (180, 443849), (210, 380442), (252, 317035), (315, 253628), (326, 245070), (389, 205380), (420, 190221), (489, 163380), (630, 126814), (652, 122535), (778, 102690), (815, 98028), (978, 81690), (1141, 70020), (1167, 68460), (1260, 63407), (1467, 54460), (1556, 51345), (1630, 49014), (1945, 41076), (1956, 40845), (2282, 35010), (2334, 34230), (2445, 32676), (2723, 29340), (2934, 27230), (3260, 24507), (3423, 23340), (3501, 22820), (3890, 20538), (4564, 17505), (4668, 17115), (4890, 16338), (5446, 14670), (5705, 14004), (5835, 13692), (5868, 13615), (6846, 11670), (7002, 11410), (7335, 10892), (7780, 10269), (8169, 9780)]