2080478505

素因数分解:

$3^1\times 5^1\times 7^4\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1044

約数の個数: 80

約数和(自身を含む): 3951157824

約数和(自身を除く): 1870679319

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 61, 105, 147, 183, 245, 305, 343, 427, 735, 915, 947, 1029, 1281, 1715, 2135, 2401, 2841, 2989, 4735, 5145, 6405, 6629, 7203, 8967, 12005, 14205, 14945, 19887, 20923, 33145, 36015, 44835, 46403, 57767, 62769, 99435, 104615, 139209, 146461, 173301, 232015, 288835, 313845, 324821, 404369, 439383, 696045, 732305, 866505, 974463, 1213107, 1624105, 2021845, 2196915, 2273747, 2830583, 4872315, 6065535, 6821241, 8491749, 11368735, 14152915, 19814081, 34106205, 42458745, 59442243, 99070405, 138698567, 297211215, 416095701, 693492835, 2080478505]

約数ペア:

[(1, 2080478505), (3, 693492835), (5, 416095701), (7, 297211215), (15, 138698567), (21, 99070405), (35, 59442243), (49, 42458745), (61, 34106205), (105, 19814081), (147, 14152915), (183, 11368735), (245, 8491749), (305, 6821241), (343, 6065535), (427, 4872315), (735, 2830583), (915, 2273747), (947, 2196915), (1029, 2021845), (1281, 1624105), (1715, 1213107), (2135, 974463), (2401, 866505), (2841, 732305), (2989, 696045), (4735, 439383), (5145, 404369), (6405, 324821), (6629, 313845), (7203, 288835), (8967, 232015), (12005, 173301), (14205, 146461), (14945, 139209), (19887, 104615), (20923, 99435), (33145, 62769), (36015, 57767), (44835, 46403)]