30880920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 107251200

約数和(自身を除く): 76370280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 280, 291, 379, 388, 420, 485, 582, 679, 758, 776, 840, 970, 1137, 1164, 1358, 1455, 1516, 1895, 1940, 2037, 2274, 2328, 2653, 2716, 2910, 3032, 3395, 3790, 3880, 4074, 4548, 5306, 5432, 5685, 5820, 6790, 7580, 7959, 8148, 9096, 10185, 10612, 11370, 11640, 13265, 13580, 15160, 15918, 16296, 20370, 21224, 22740, 26530, 27160, 31836, 36763, 39795, 40740, 45480, 53060, 63672, 73526, 79590, 81480, 106120, 110289, 147052, 159180, 183815, 220578, 257341, 294104, 318360, 367630, 441156, 514682, 551445, 735260, 772023, 882312, 1029364, 1102890, 1286705, 1470520, 1544046, 2058728, 2205780, 2573410, 3088092, 3860115, 4411560, 5146820, 6176184, 7720230, 10293640, 15440460, 30880920]

約数ペア:

[(1, 30880920), (2, 15440460), (3, 10293640), (4, 7720230), (5, 6176184), (6, 5146820), (7, 4411560), (8, 3860115), (10, 3088092), (12, 2573410), (14, 2205780), (15, 2058728), (20, 1544046), (21, 1470520), (24, 1286705), (28, 1102890), (30, 1029364), (35, 882312), (40, 772023), (42, 735260), (56, 551445), (60, 514682), (70, 441156), (84, 367630), (97, 318360), (105, 294104), (120, 257341), (140, 220578), (168, 183815), (194, 159180), (210, 147052), (280, 110289), (291, 106120), (379, 81480), (388, 79590), (420, 73526), (485, 63672), (582, 53060), (679, 45480), (758, 40740), (776, 39795), (840, 36763), (970, 31836), (1137, 27160), (1164, 26530), (1358, 22740), (1455, 21224), (1516, 20370), (1895, 16296), (1940, 15918), (2037, 15160), (2274, 13580), (2328, 13265), (2653, 11640), (2716, 11370), (2910, 10612), (3032, 10185), (3395, 9096), (3790, 8148), (3880, 7959), (4074, 7580), (4548, 6790), (5306, 5820), (5432, 5685)]