647382960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{128449}}^1$

素因数の和:128475

約数の個数: 120

約数和(自身を含む): 2484736800

約数和(自身を除く): 1837353840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 128449, 256898, 385347, 513796, 642245, 770694, 899143, 1027592, 1156041, 1284490, 1541388, 1798286, 1926735, 2055184, 2312082, 2568980, 2697429, 3082776, 3596572, 3853470, 4495715, 4624164, 5137960, 5394858, 5780205, 6165552, 7193144, 7706940, 8092287, 8991430, 9248328, 10275920, 10789716, 11560410, 13487145, 14386288, 15413880, 16184574, 17982860, 18496656, 21579432, 23120820, 26974290, 30827760, 32369148, 35965720, 40461435, 43158864, 46241640, 53948580, 64738296, 71931440, 80922870, 92483280, 107897160, 129476592, 161845740, 215794320, 323691480, 647382960]

約数ペア:

[(1, 647382960), (2, 323691480), (3, 215794320), (4, 161845740), (5, 129476592), (6, 107897160), (7, 92483280), (8, 80922870), (9, 71931440), (10, 64738296), (12, 53948580), (14, 46241640), (15, 43158864), (16, 40461435), (18, 35965720), (20, 32369148), (21, 30827760), (24, 26974290), (28, 23120820), (30, 21579432), (35, 18496656), (36, 17982860), (40, 16184574), (42, 15413880), (45, 14386288), (48, 13487145), (56, 11560410), (60, 10789716), (63, 10275920), (70, 9248328), (72, 8991430), (80, 8092287), (84, 7706940), (90, 7193144), (105, 6165552), (112, 5780205), (120, 5394858), (126, 5137960), (140, 4624164), (144, 4495715), (168, 3853470), (180, 3596572), (210, 3082776), (240, 2697429), (252, 2568980), (280, 2312082), (315, 2055184), (336, 1926735), (360, 1798286), (420, 1541388), (504, 1284490), (560, 1156041), (630, 1027592), (720, 899143), (840, 770694), (1008, 642245), (1260, 513796), (1680, 385347), (2520, 256898), (5040, 128449)]