261416800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 671956992

約数和(自身を除く): 410540192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 83, 100, 124, 127, 155, 160, 166, 200, 248, 254, 310, 332, 400, 415, 496, 508, 620, 635, 664, 775, 800, 830, 992, 1016, 1240, 1270, 1328, 1550, 1660, 2032, 2075, 2480, 2540, 2573, 2656, 3100, 3175, 3320, 3937, 4064, 4150, 4960, 5080, 5146, 6200, 6350, 6640, 7874, 8300, 10160, 10292, 10541, 12400, 12700, 12865, 13280, 15748, 16600, 19685, 20320, 20584, 21082, 24800, 25400, 25730, 31496, 33200, 39370, 41168, 42164, 50800, 51460, 52705, 62992, 64325, 66400, 78740, 82336, 84328, 98425, 101600, 102920, 105410, 125984, 128650, 157480, 168656, 196850, 205840, 210820, 257300, 263525, 314960, 326771, 337312, 393700, 411680, 421640, 514600, 527050, 629920, 653542, 787400, 843280, 1029200, 1054100, 1307084, 1574800, 1633855, 1686560, 2058400, 2108200, 2614168, 3149600, 3267710, 4216400, 5228336, 6535420, 8169275, 8432800, 10456672, 13070840, 16338550, 26141680, 32677100, 52283360, 65354200, 130708400, 261416800]

約数ペア:

[(1, 261416800), (2, 130708400), (4, 65354200), (5, 52283360), (8, 32677100), (10, 26141680), (16, 16338550), (20, 13070840), (25, 10456672), (31, 8432800), (32, 8169275), (40, 6535420), (50, 5228336), (62, 4216400), (80, 3267710), (83, 3149600), (100, 2614168), (124, 2108200), (127, 2058400), (155, 1686560), (160, 1633855), (166, 1574800), (200, 1307084), (248, 1054100), (254, 1029200), (310, 843280), (332, 787400), (400, 653542), (415, 629920), (496, 527050), (508, 514600), (620, 421640), (635, 411680), (664, 393700), (775, 337312), (800, 326771), (830, 314960), (992, 263525), (1016, 257300), (1240, 210820), (1270, 205840), (1328, 196850), (1550, 168656), (1660, 157480), (2032, 128650), (2075, 125984), (2480, 105410), (2540, 102920), (2573, 101600), (2656, 98425), (3100, 84328), (3175, 82336), (3320, 78740), (3937, 66400), (4064, 64325), (4150, 62992), (4960, 52705), (5080, 51460), (5146, 50800), (6200, 42164), (6350, 41168), (6640, 39370), (7874, 33200), (8300, 31496), (10160, 25730), (10292, 25400), (10541, 24800), (12400, 21082), (12700, 20584), (12865, 20320), (13280, 19685), (15748, 16600)]