1780122435

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21379}}^1$

素因数の和:21468

約数の個数: 64

約数和(自身を含む): 3563105280

約数和(自身を除く): 1782982845

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 61, 65, 91, 105, 183, 195, 273, 305, 427, 455, 793, 915, 1281, 1365, 2135, 2379, 3965, 5551, 6405, 11895, 16653, 21379, 27755, 64137, 83265, 106895, 149653, 277927, 320685, 448959, 748265, 833781, 1304119, 1389635, 1945489, 2244795, 3912357, 4168905, 5836467, 6520595, 9128833, 9727445, 16953547, 19561785, 27386499, 29182335, 45644165, 50860641, 84767735, 118674829, 136932495, 254303205, 356024487, 593374145, 1780122435]

約数ペア:

[(1, 1780122435), (3, 593374145), (5, 356024487), (7, 254303205), (13, 136932495), (15, 118674829), (21, 84767735), (35, 50860641), (39, 45644165), (61, 29182335), (65, 27386499), (91, 19561785), (105, 16953547), (183, 9727445), (195, 9128833), (273, 6520595), (305, 5836467), (427, 4168905), (455, 3912357), (793, 2244795), (915, 1945489), (1281, 1389635), (1365, 1304119), (2135, 833781), (2379, 748265), (3965, 448959), (5551, 320685), (6405, 277927), (11895, 149653), (16653, 106895), (21379, 83265), (27755, 64137)]