840256875

素因数分解:

$3^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 160

約数和(自身を含む): 1720699200

約数和(自身を除く): 880442325

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 45, 51, 75, 85, 87, 101, 125, 135, 145, 153, 225, 255, 261, 303, 375, 425, 435, 459, 493, 505, 625, 675, 725, 765, 783, 909, 1125, 1275, 1305, 1479, 1515, 1717, 1875, 2125, 2175, 2295, 2465, 2525, 2727, 2929, 3375, 3625, 3825, 3915, 4437, 4545, 5151, 5625, 6375, 6525, 7395, 7575, 8585, 8787, 10625, 10875, 11475, 12325, 12625, 13311, 13635, 14645, 15453, 16875, 18125, 19125, 19575, 22185, 22725, 25755, 26361, 31875, 32625, 36975, 37875, 42925, 43935, 46359, 49793, 54375, 57375, 61625, 63125, 66555, 68175, 73225, 77265, 79083, 95625, 97875, 110925, 113625, 128775, 131805, 149379, 163125, 184875, 189375, 214625, 219675, 231795, 248965, 286875, 308125, 332775, 340875, 366125, 386325, 395415, 448137, 489375, 554625, 568125, 643875, 659025, 746895, 924375, 1073125, 1098375, 1158975, 1244825, 1344411, 1663875, 1704375, 1830625, 1931625, 1977075, 2240685, 2773125, 3219375, 3295125, 3734475, 5491875, 5794875, 6224125, 6722055, 8319375, 9658125, 9885375, 11203425, 16475625, 18672375, 28974375, 31120625, 33610275, 49426875, 56017125, 93361875, 168051375, 280085625, 840256875]

約数ペア:

[(1, 840256875), (3, 280085625), (5, 168051375), (9, 93361875), (15, 56017125), (17, 49426875), (25, 33610275), (27, 31120625), (29, 28974375), (45, 18672375), (51, 16475625), (75, 11203425), (85, 9885375), (87, 9658125), (101, 8319375), (125, 6722055), (135, 6224125), (145, 5794875), (153, 5491875), (225, 3734475), (255, 3295125), (261, 3219375), (303, 2773125), (375, 2240685), (425, 1977075), (435, 1931625), (459, 1830625), (493, 1704375), (505, 1663875), (625, 1344411), (675, 1244825), (725, 1158975), (765, 1098375), (783, 1073125), (909, 924375), (1125, 746895), (1275, 659025), (1305, 643875), (1479, 568125), (1515, 554625), (1717, 489375), (1875, 448137), (2125, 395415), (2175, 386325), (2295, 366125), (2465, 340875), (2525, 332775), (2727, 308125), (2929, 286875), (3375, 248965), (3625, 231795), (3825, 219675), (3915, 214625), (4437, 189375), (4545, 184875), (5151, 163125), (5625, 149379), (6375, 131805), (6525, 128775), (7395, 113625), (7575, 110925), (8585, 97875), (8787, 95625), (10625, 79083), (10875, 77265), (11475, 73225), (12325, 68175), (12625, 66555), (13311, 63125), (13635, 61625), (14645, 57375), (15453, 54375), (16875, 49793), (18125, 46359), (19125, 43935), (19575, 42925), (22185, 37875), (22725, 36975), (25755, 32625), (26361, 31875)]