15720684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 44728320

約数和(自身を除く): 29007636

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 79, 84, 92, 103, 138, 158, 161, 206, 237, 276, 309, 316, 322, 412, 474, 483, 553, 618, 644, 721, 948, 966, 1106, 1236, 1442, 1659, 1817, 1932, 2163, 2212, 2369, 2884, 3318, 3634, 4326, 4738, 5451, 6636, 7107, 7268, 8137, 8652, 9476, 10902, 12719, 14214, 16274, 16583, 21804, 24411, 25438, 28428, 32548, 33166, 38157, 48822, 49749, 50876, 56959, 66332, 76314, 97644, 99498, 113918, 152628, 170877, 187151, 198996, 227836, 341754, 374302, 561453, 683508, 748604, 1122906, 1310057, 2245812, 2620114, 3930171, 5240228, 7860342, 15720684]

約数ペア:

[(1, 15720684), (2, 7860342), (3, 5240228), (4, 3930171), (6, 2620114), (7, 2245812), (12, 1310057), (14, 1122906), (21, 748604), (23, 683508), (28, 561453), (42, 374302), (46, 341754), (69, 227836), (79, 198996), (84, 187151), (92, 170877), (103, 152628), (138, 113918), (158, 99498), (161, 97644), (206, 76314), (237, 66332), (276, 56959), (309, 50876), (316, 49749), (322, 48822), (412, 38157), (474, 33166), (483, 32548), (553, 28428), (618, 25438), (644, 24411), (721, 21804), (948, 16583), (966, 16274), (1106, 14214), (1236, 12719), (1442, 10902), (1659, 9476), (1817, 8652), (1932, 8137), (2163, 7268), (2212, 7107), (2369, 6636), (2884, 5451), (3318, 4738), (3634, 4326)]