19970261760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305917}}^1$

素因数の和:305958

約数の個数: 144

約数和(自身を含む): 67532010336

約数和(自身を除く): 47561748576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1280, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 3840, 4080, 4352, 5440, 6528, 8160, 10880, 13056, 16320, 21760, 32640, 65280, 305917, 611834, 917751, 1223668, 1529585, 1835502, 2447336, 3059170, 3671004, 4588755, 4894672, 5200589, 6118340, 7342008, 9177510, 9789344, 10401178, 12236680, 14684016, 15601767, 18355020, 19578688, 20802356, 24473360, 26002945, 29368032, 31203534, 36710040, 39157376, 41604712, 48946720, 52005890, 58736064, 62407068, 73420080, 78008835, 78314752, 83209424, 97893440, 104011780, 117472128, 124814136, 146840160, 156017670, 166418848, 195786880, 208023560, 234944256, 249628272, 293680320, 312035340, 332837696, 391573760, 416047120, 499256544, 587360640, 624070680, 665675392, 832094240, 998513088, 1174721280, 1248141360, 1331350784, 1664188480, 1997026176, 2496282720, 3328376960, 3994052352, 4992565440, 6656753920, 9985130880, 19970261760]

約数ペア:

[(1, 19970261760), (2, 9985130880), (3, 6656753920), (4, 4992565440), (5, 3994052352), (6, 3328376960), (8, 2496282720), (10, 1997026176), (12, 1664188480), (15, 1331350784), (16, 1248141360), (17, 1174721280), (20, 998513088), (24, 832094240), (30, 665675392), (32, 624070680), (34, 587360640), (40, 499256544), (48, 416047120), (51, 391573760), (60, 332837696), (64, 312035340), (68, 293680320), (80, 249628272), (85, 234944256), (96, 208023560), (102, 195786880), (120, 166418848), (128, 156017670), (136, 146840160), (160, 124814136), (170, 117472128), (192, 104011780), (204, 97893440), (240, 83209424), (255, 78314752), (256, 78008835), (272, 73420080), (320, 62407068), (340, 58736064), (384, 52005890), (408, 48946720), (480, 41604712), (510, 39157376), (544, 36710040), (640, 31203534), (680, 29368032), (768, 26002945), (816, 24473360), (960, 20802356), (1020, 19578688), (1088, 18355020), (1280, 15601767), (1360, 14684016), (1632, 12236680), (1920, 10401178), (2040, 9789344), (2176, 9177510), (2720, 7342008), (3264, 6118340), (3840, 5200589), (4080, 4894672), (4352, 4588755), (5440, 3671004), (6528, 3059170), (8160, 2447336), (10880, 1835502), (13056, 1529585), (16320, 1223668), (21760, 917751), (32640, 611834), (65280, 305917)]