1290702720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14303}}^1$

素因数の和:14372

約数の個数: 128

約数和(自身を含む): 4201943040

約数和(自身を除く): 2911240320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 188, 192, 235, 240, 282, 320, 376, 384, 470, 480, 564, 640, 705, 752, 940, 960, 1128, 1410, 1504, 1880, 1920, 2256, 2820, 3008, 3760, 4512, 5640, 6016, 7520, 9024, 11280, 14303, 15040, 18048, 22560, 28606, 30080, 42909, 45120, 57212, 71515, 85818, 90240, 114424, 143030, 171636, 214545, 228848, 286060, 343272, 429090, 457696, 572120, 672241, 686544, 858180, 915392, 1144240, 1344482, 1373088, 1716360, 1830784, 2016723, 2288480, 2688964, 2746176, 3361205, 3432720, 4033446, 4576960, 5377928, 5492352, 6722410, 6865440, 8066892, 9153920, 10083615, 10755856, 13444820, 13730880, 16133784, 20167230, 21511712, 26889640, 27461760, 32267568, 40334460, 43023424, 53779280, 64535136, 80668920, 86046848, 107558560, 129070272, 161337840, 215117120, 258140544, 322675680, 430234240, 645351360, 1290702720]

約数ペア:

[(1, 1290702720), (2, 645351360), (3, 430234240), (4, 322675680), (5, 258140544), (6, 215117120), (8, 161337840), (10, 129070272), (12, 107558560), (15, 86046848), (16, 80668920), (20, 64535136), (24, 53779280), (30, 43023424), (32, 40334460), (40, 32267568), (47, 27461760), (48, 26889640), (60, 21511712), (64, 20167230), (80, 16133784), (94, 13730880), (96, 13444820), (120, 10755856), (128, 10083615), (141, 9153920), (160, 8066892), (188, 6865440), (192, 6722410), (235, 5492352), (240, 5377928), (282, 4576960), (320, 4033446), (376, 3432720), (384, 3361205), (470, 2746176), (480, 2688964), (564, 2288480), (640, 2016723), (705, 1830784), (752, 1716360), (940, 1373088), (960, 1344482), (1128, 1144240), (1410, 915392), (1504, 858180), (1880, 686544), (1920, 672241), (2256, 572120), (2820, 457696), (3008, 429090), (3760, 343272), (4512, 286060), (5640, 228848), (6016, 214545), (7520, 171636), (9024, 143030), (11280, 114424), (14303, 90240), (15040, 85818), (18048, 71515), (22560, 57212), (28606, 45120), (30080, 42909)]