15978564

素因数分解:

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

素因数の和:569

約数の個数: 72

約数和(自身を含む): 46562880

約数和(自身を除く): 30584316

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 389, 489, 652, 778, 978, 1141, 1167, 1467, 1556, 1956, 2282, 2334, 2723, 2934, 3423, 3501, 4564, 4668, 5446, 5868, 6846, 7002, 8169, 10269, 10892, 13692, 14004, 16338, 20538, 24507, 32676, 41076, 49014, 63407, 98028, 126814, 190221, 253628, 380442, 443849, 570663, 760884, 887698, 1141326, 1331547, 1775396, 2282652, 2663094, 3994641, 5326188, 7989282, 15978564]

約数ペア:

[(1, 15978564), (2, 7989282), (3, 5326188), (4, 3994641), (6, 2663094), (7, 2282652), (9, 1775396), (12, 1331547), (14, 1141326), (18, 887698), (21, 760884), (28, 570663), (36, 443849), (42, 380442), (63, 253628), (84, 190221), (126, 126814), (163, 98028), (252, 63407), (326, 49014), (389, 41076), (489, 32676), (652, 24507), (778, 20538), (978, 16338), (1141, 14004), (1167, 13692), (1467, 10892), (1556, 10269), (1956, 8169), (2282, 7002), (2334, 6846), (2723, 5868), (2934, 5446), (3423, 4668), (3501, 4564)]