81528480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5147}}^1$

素因数の和:5179

約数の個数: 144

約数和(自身を含む): 303567264

約数和(自身を除く): 222038784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2640, 3168, 3960, 5147, 5280, 7920, 10294, 15441, 15840, 20588, 25735, 30882, 41176, 46323, 51470, 56617, 61764, 77205, 82352, 92646, 102940, 113234, 123528, 154410, 164704, 169851, 185292, 205880, 226468, 231615, 247056, 283085, 308820, 339702, 370584, 411760, 452936, 463230, 494112, 509553, 566170, 617640, 679404, 741168, 823520, 849255, 905872, 926460, 1019106, 1132340, 1235280, 1358808, 1482336, 1698510, 1811744, 1852920, 2038212, 2264680, 2470560, 2547765, 2717616, 3397020, 3705840, 4076424, 4529360, 5095530, 5435232, 6794040, 7411680, 8152848, 9058720, 10191060, 13588080, 16305696, 20382120, 27176160, 40764240, 81528480]

約数ペア:

[(1, 81528480), (2, 40764240), (3, 27176160), (4, 20382120), (5, 16305696), (6, 13588080), (8, 10191060), (9, 9058720), (10, 8152848), (11, 7411680), (12, 6794040), (15, 5435232), (16, 5095530), (18, 4529360), (20, 4076424), (22, 3705840), (24, 3397020), (30, 2717616), (32, 2547765), (33, 2470560), (36, 2264680), (40, 2038212), (44, 1852920), (45, 1811744), (48, 1698510), (55, 1482336), (60, 1358808), (66, 1235280), (72, 1132340), (80, 1019106), (88, 926460), (90, 905872), (96, 849255), (99, 823520), (110, 741168), (120, 679404), (132, 617640), (144, 566170), (160, 509553), (165, 494112), (176, 463230), (180, 452936), (198, 411760), (220, 370584), (240, 339702), (264, 308820), (288, 283085), (330, 247056), (352, 231615), (360, 226468), (396, 205880), (440, 185292), (480, 169851), (495, 164704), (528, 154410), (660, 123528), (720, 113234), (792, 102940), (880, 92646), (990, 82352), (1056, 77205), (1320, 61764), (1440, 56617), (1584, 51470), (1760, 46323), (1980, 41176), (2640, 30882), (3168, 25735), (3960, 20588), (5147, 15840), (5280, 15441), (7920, 10294)]