80678000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 160

約数和(自身を含む): 219360960

約数和(自身を除く): 138682960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 29, 40, 50, 52, 58, 65, 80, 100, 104, 107, 116, 125, 130, 145, 200, 208, 214, 232, 250, 260, 290, 325, 377, 400, 428, 464, 500, 520, 535, 580, 650, 725, 754, 856, 1000, 1040, 1070, 1160, 1300, 1391, 1450, 1508, 1625, 1712, 1885, 2000, 2140, 2320, 2600, 2675, 2782, 2900, 3016, 3103, 3250, 3625, 3770, 4280, 5200, 5350, 5564, 5800, 6032, 6206, 6500, 6955, 7250, 7540, 8560, 9425, 10700, 11128, 11600, 12412, 13000, 13375, 13910, 14500, 15080, 15515, 18850, 21400, 22256, 24824, 26000, 26750, 27820, 29000, 30160, 31030, 34775, 37700, 40339, 42800, 47125, 49648, 53500, 55640, 58000, 62060, 69550, 75400, 77575, 80678, 94250, 107000, 111280, 124120, 139100, 150800, 155150, 161356, 173875, 188500, 201695, 214000, 248240, 278200, 310300, 322712, 347750, 377000, 387875, 403390, 556400, 620600, 645424, 695500, 754000, 775750, 806780, 1008475, 1241200, 1391000, 1551500, 1613560, 2016950, 2782000, 3103000, 3227120, 4033900, 5042375, 6206000, 8067800, 10084750, 16135600, 20169500, 40339000, 80678000]

約数ペア:

[(1, 80678000), (2, 40339000), (4, 20169500), (5, 16135600), (8, 10084750), (10, 8067800), (13, 6206000), (16, 5042375), (20, 4033900), (25, 3227120), (26, 3103000), (29, 2782000), (40, 2016950), (50, 1613560), (52, 1551500), (58, 1391000), (65, 1241200), (80, 1008475), (100, 806780), (104, 775750), (107, 754000), (116, 695500), (125, 645424), (130, 620600), (145, 556400), (200, 403390), (208, 387875), (214, 377000), (232, 347750), (250, 322712), (260, 310300), (290, 278200), (325, 248240), (377, 214000), (400, 201695), (428, 188500), (464, 173875), (500, 161356), (520, 155150), (535, 150800), (580, 139100), (650, 124120), (725, 111280), (754, 107000), (856, 94250), (1000, 80678), (1040, 77575), (1070, 75400), (1160, 69550), (1300, 62060), (1391, 58000), (1450, 55640), (1508, 53500), (1625, 49648), (1712, 47125), (1885, 42800), (2000, 40339), (2140, 37700), (2320, 34775), (2600, 31030), (2675, 30160), (2782, 29000), (2900, 27820), (3016, 26750), (3103, 26000), (3250, 24824), (3625, 22256), (3770, 21400), (4280, 18850), (5200, 15515), (5350, 15080), (5564, 14500), (5800, 13910), (6032, 13375), (6206, 13000), (6500, 12412), (6955, 11600), (7250, 11128), (7540, 10700), (8560, 9425)]