1315412800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{63241}}^1$

素因数の和:63276

約数の個数: 84

約数和(自身を含む): 3485772556

約数和(自身を除く): 2170359756

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 130, 160, 200, 208, 260, 320, 325, 400, 416, 520, 650, 800, 832, 1040, 1300, 1600, 2080, 2600, 4160, 5200, 10400, 20800, 63241, 126482, 252964, 316205, 505928, 632410, 822133, 1011856, 1264820, 1581025, 1644266, 2023712, 2529640, 3162050, 3288532, 4047424, 4110665, 5059280, 6324100, 6577064, 8221330, 10118560, 12648200, 13154128, 16442660, 20237120, 20553325, 25296400, 26308256, 32885320, 41106650, 50592800, 52616512, 65770640, 82213300, 101185600, 131541280, 164426600, 263082560, 328853200, 657706400, 1315412800]

約数ペア:

[(1, 1315412800), (2, 657706400), (4, 328853200), (5, 263082560), (8, 164426600), (10, 131541280), (13, 101185600), (16, 82213300), (20, 65770640), (25, 52616512), (26, 50592800), (32, 41106650), (40, 32885320), (50, 26308256), (52, 25296400), (64, 20553325), (65, 20237120), (80, 16442660), (100, 13154128), (104, 12648200), (130, 10118560), (160, 8221330), (200, 6577064), (208, 6324100), (260, 5059280), (320, 4110665), (325, 4047424), (400, 3288532), (416, 3162050), (520, 2529640), (650, 2023712), (800, 1644266), (832, 1581025), (1040, 1264820), (1300, 1011856), (1600, 822133), (2080, 632410), (2600, 505928), (4160, 316205), (5200, 252964), (10400, 126482), (20800, 63241)]