1280272630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{74047}}^1$

素因数の和:74093

約数の個数: 64

約数和(自身を含む): 2985615360

約数和(自身を除く): 1705342730

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 2470, 3458, 8645, 17290, 74047, 148094, 370235, 518329, 740470, 962611, 1036658, 1406893, 1925222, 2591645, 2813786, 4813055, 5183290, 6738277, 7034465, 9626110, 9848251, 13476554, 14068930, 18289609, 19696502, 33691385, 36579218, 49241255, 67382770, 91448045, 98482510, 128027263, 182896090, 256054526, 640136315, 1280272630]

約数ペア:

[(1, 1280272630), (2, 640136315), (5, 256054526), (7, 182896090), (10, 128027263), (13, 98482510), (14, 91448045), (19, 67382770), (26, 49241255), (35, 36579218), (38, 33691385), (65, 19696502), (70, 18289609), (91, 14068930), (95, 13476554), (130, 9848251), (133, 9626110), (182, 7034465), (190, 6738277), (247, 5183290), (266, 4813055), (455, 2813786), (494, 2591645), (665, 1925222), (910, 1406893), (1235, 1036658), (1330, 962611), (1729, 740470), (2470, 518329), (3458, 370235), (8645, 148094), (17290, 74047)]