2010720885

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 3467059200

約数和(自身を除く): 1456338315

約数列:

[1, 3, 5, 15, 19, 57, 59, 95, 177, 197, 285, 295, 591, 607, 885, 985, 1121, 1821, 2955, 3035, 3363, 3743, 5605, 9105, 11229, 11533, 11623, 16815, 18715, 34599, 34869, 35813, 56145, 57665, 58115, 107439, 119579, 172995, 174345, 179065, 220837, 358737, 537195, 597895, 662511, 680447, 1104185, 1793685, 2041341, 2272001, 3312555, 3402235, 6816003, 7055161, 10206705, 11360005, 21165483, 34080015, 35275805, 105827415, 134048059, 402144177, 670240295, 2010720885]

約数ペア:

[(1, 2010720885), (3, 670240295), (5, 402144177), (15, 134048059), (19, 105827415), (57, 35275805), (59, 34080015), (95, 21165483), (177, 11360005), (197, 10206705), (285, 7055161), (295, 6816003), (591, 3402235), (607, 3312555), (885, 2272001), (985, 2041341), (1121, 1793685), (1821, 1104185), (2955, 680447), (3035, 662511), (3363, 597895), (3743, 537195), (5605, 358737), (9105, 220837), (11229, 179065), (11533, 174345), (11623, 172995), (16815, 119579), (18715, 107439), (34599, 58115), (34869, 57665), (35813, 56145)]