231379120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 160

約数和(自身を含む): 642816000

約数和(自身を除く): 411436880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 59, 70, 80, 94, 112, 118, 140, 149, 188, 235, 236, 280, 295, 298, 329, 376, 413, 470, 472, 560, 590, 596, 658, 745, 752, 826, 940, 944, 1043, 1180, 1192, 1316, 1490, 1645, 1652, 1880, 2065, 2086, 2360, 2384, 2632, 2773, 2980, 3290, 3304, 3760, 4130, 4172, 4720, 5215, 5264, 5546, 5960, 6580, 6608, 7003, 8260, 8344, 8791, 10430, 11092, 11920, 13160, 13865, 14006, 16520, 16688, 17582, 19411, 20860, 22184, 26320, 27730, 28012, 33040, 35015, 35164, 38822, 41720, 43955, 44368, 49021, 55460, 56024, 61537, 70030, 70328, 77644, 83440, 87910, 97055, 98042, 110920, 112048, 123074, 140060, 140656, 155288, 175820, 194110, 196084, 221840, 245105, 246148, 280120, 307685, 310576, 351640, 388220, 392168, 413177, 490210, 492296, 560240, 615370, 703280, 776440, 784336, 826354, 980420, 984592, 1230740, 1552880, 1652708, 1960840, 2065885, 2461480, 2892239, 3305416, 3921680, 4131770, 4922960, 5784478, 6610832, 8263540, 11568956, 14461195, 16527080, 23137912, 28922390, 33054160, 46275824, 57844780, 115689560, 231379120]

約数ペア:

[(1, 231379120), (2, 115689560), (4, 57844780), (5, 46275824), (7, 33054160), (8, 28922390), (10, 23137912), (14, 16527080), (16, 14461195), (20, 11568956), (28, 8263540), (35, 6610832), (40, 5784478), (47, 4922960), (56, 4131770), (59, 3921680), (70, 3305416), (80, 2892239), (94, 2461480), (112, 2065885), (118, 1960840), (140, 1652708), (149, 1552880), (188, 1230740), (235, 984592), (236, 980420), (280, 826354), (295, 784336), (298, 776440), (329, 703280), (376, 615370), (413, 560240), (470, 492296), (472, 490210), (560, 413177), (590, 392168), (596, 388220), (658, 351640), (745, 310576), (752, 307685), (826, 280120), (940, 246148), (944, 245105), (1043, 221840), (1180, 196084), (1192, 194110), (1316, 175820), (1490, 155288), (1645, 140656), (1652, 140060), (1880, 123074), (2065, 112048), (2086, 110920), (2360, 98042), (2384, 97055), (2632, 87910), (2773, 83440), (2980, 77644), (3290, 70328), (3304, 70030), (3760, 61537), (4130, 56024), (4172, 55460), (4720, 49021), (5215, 44368), (5264, 43955), (5546, 41720), (5960, 38822), (6580, 35164), (6608, 35015), (7003, 33040), (8260, 28012), (8344, 27730), (8791, 26320), (10430, 22184), (11092, 20860), (11920, 19411), (13160, 17582), (13865, 16688), (14006, 16520)]