81372720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2371}}^1$

素因数の和:2411

約数の個数: 160

約数和(自身を含む): 296481024

約数和(自身を除く): 215108304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 624, 660, 715, 780, 858, 880, 1040, 1144, 1320, 1430, 1560, 1716, 2145, 2288, 2371, 2640, 2860, 3120, 3432, 4290, 4742, 5720, 6864, 7113, 8580, 9484, 11440, 11855, 14226, 17160, 18968, 23710, 26081, 28452, 30823, 34320, 35565, 37936, 47420, 52162, 56904, 61646, 71130, 78243, 92469, 94840, 104324, 113808, 123292, 130405, 142260, 154115, 156486, 184938, 189680, 208648, 246584, 260810, 284520, 308230, 312972, 339053, 369876, 391215, 417296, 462345, 493168, 521620, 569040, 616460, 625944, 678106, 739752, 782430, 924690, 1017159, 1043240, 1232920, 1251888, 1356212, 1479504, 1564860, 1695265, 1849380, 2034318, 2086480, 2465840, 2712424, 3129720, 3390530, 3698760, 4068636, 5085795, 5424848, 6259440, 6781060, 7397520, 8137272, 10171590, 13562120, 16274544, 20343180, 27124240, 40686360, 81372720]

約数ペア:

[(1, 81372720), (2, 40686360), (3, 27124240), (4, 20343180), (5, 16274544), (6, 13562120), (8, 10171590), (10, 8137272), (11, 7397520), (12, 6781060), (13, 6259440), (15, 5424848), (16, 5085795), (20, 4068636), (22, 3698760), (24, 3390530), (26, 3129720), (30, 2712424), (33, 2465840), (39, 2086480), (40, 2034318), (44, 1849380), (48, 1695265), (52, 1564860), (55, 1479504), (60, 1356212), (65, 1251888), (66, 1232920), (78, 1043240), (80, 1017159), (88, 924690), (104, 782430), (110, 739752), (120, 678106), (130, 625944), (132, 616460), (143, 569040), (156, 521620), (165, 493168), (176, 462345), (195, 417296), (208, 391215), (220, 369876), (240, 339053), (260, 312972), (264, 308230), (286, 284520), (312, 260810), (330, 246584), (390, 208648), (429, 189680), (440, 184938), (520, 156486), (528, 154115), (572, 142260), (624, 130405), (660, 123292), (715, 113808), (780, 104324), (858, 94840), (880, 92469), (1040, 78243), (1144, 71130), (1320, 61646), (1430, 56904), (1560, 52162), (1716, 47420), (2145, 37936), (2288, 35565), (2371, 34320), (2640, 30823), (2860, 28452), (3120, 26081), (3432, 23710), (4290, 18968), (4742, 17160), (5720, 14226), (6864, 11855), (7113, 11440), (8580, 9484)]