256250775

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:214

約数の個数: 96

約数和(自身を含む): 496682496

約数和(自身を除く): 240431721

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 121, 151, 165, 187, 255, 275, 363, 425, 453, 561, 605, 755, 825, 935, 1275, 1331, 1661, 1815, 2057, 2265, 2567, 2805, 3025, 3775, 3993, 4675, 4983, 6171, 6655, 7701, 8305, 9075, 10285, 11325, 12835, 14025, 18271, 19965, 22627, 24915, 28237, 30855, 33275, 38505, 41525, 51425, 54813, 64175, 67881, 84711, 91355, 99825, 113135, 124575, 141185, 154275, 192525, 200981, 274065, 310607, 339405, 423555, 456775, 565675, 602943, 705925, 931821, 1004905, 1370325, 1553035, 1697025, 2117775, 3014715, 3416677, 4659105, 5024525, 7765175, 10250031, 15073575, 17083385, 23295525, 51250155, 85416925, 256250775]

約数ペア:

[(1, 256250775), (3, 85416925), (5, 51250155), (11, 23295525), (15, 17083385), (17, 15073575), (25, 10250031), (33, 7765175), (51, 5024525), (55, 4659105), (75, 3416677), (85, 3014715), (121, 2117775), (151, 1697025), (165, 1553035), (187, 1370325), (255, 1004905), (275, 931821), (363, 705925), (425, 602943), (453, 565675), (561, 456775), (605, 423555), (755, 339405), (825, 310607), (935, 274065), (1275, 200981), (1331, 192525), (1661, 154275), (1815, 141185), (2057, 124575), (2265, 113135), (2567, 99825), (2805, 91355), (3025, 84711), (3775, 67881), (3993, 64175), (4675, 54813), (4983, 51425), (6171, 41525), (6655, 38505), (7701, 33275), (8305, 30855), (9075, 28237), (10285, 24915), (11325, 22627), (12835, 19965), (14025, 18271)]