81547440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:531

約数の個数: 160

約数和(自身を含む): 277482240

約数和(自身を除く): 195934800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 59, 60, 65, 78, 80, 104, 118, 120, 130, 156, 177, 195, 208, 236, 240, 260, 295, 312, 354, 390, 443, 472, 520, 590, 624, 708, 767, 780, 885, 886, 944, 1040, 1180, 1329, 1416, 1534, 1560, 1770, 1772, 2215, 2301, 2360, 2658, 2832, 3068, 3120, 3540, 3544, 3835, 4430, 4602, 4720, 5316, 5759, 6136, 6645, 7080, 7088, 7670, 8860, 9204, 10632, 11505, 11518, 12272, 13290, 14160, 15340, 17277, 17720, 18408, 21264, 23010, 23036, 26137, 26580, 28795, 30680, 34554, 35440, 36816, 46020, 46072, 52274, 53160, 57590, 61360, 69108, 78411, 86385, 92040, 92144, 104548, 106320, 115180, 130685, 138216, 156822, 172770, 184080, 209096, 230360, 261370, 276432, 313644, 339781, 345540, 392055, 418192, 460720, 522740, 627288, 679562, 691080, 784110, 1019343, 1045480, 1254576, 1359124, 1382160, 1568220, 1698905, 2038686, 2090960, 2718248, 3136440, 3397810, 4077372, 5096715, 5436496, 6272880, 6795620, 8154744, 10193430, 13591240, 16309488, 20386860, 27182480, 40773720, 81547440]

約数ペア:

[(1, 81547440), (2, 40773720), (3, 27182480), (4, 20386860), (5, 16309488), (6, 13591240), (8, 10193430), (10, 8154744), (12, 6795620), (13, 6272880), (15, 5436496), (16, 5096715), (20, 4077372), (24, 3397810), (26, 3136440), (30, 2718248), (39, 2090960), (40, 2038686), (48, 1698905), (52, 1568220), (59, 1382160), (60, 1359124), (65, 1254576), (78, 1045480), (80, 1019343), (104, 784110), (118, 691080), (120, 679562), (130, 627288), (156, 522740), (177, 460720), (195, 418192), (208, 392055), (236, 345540), (240, 339781), (260, 313644), (295, 276432), (312, 261370), (354, 230360), (390, 209096), (443, 184080), (472, 172770), (520, 156822), (590, 138216), (624, 130685), (708, 115180), (767, 106320), (780, 104548), (885, 92144), (886, 92040), (944, 86385), (1040, 78411), (1180, 69108), (1329, 61360), (1416, 57590), (1534, 53160), (1560, 52274), (1770, 46072), (1772, 46020), (2215, 36816), (2301, 35440), (2360, 34554), (2658, 30680), (2832, 28795), (3068, 26580), (3120, 26137), (3540, 23036), (3544, 23010), (3835, 21264), (4430, 18408), (4602, 17720), (4720, 17277), (5316, 15340), (5759, 14160), (6136, 13290), (6645, 12272), (7080, 11518), (7088, 11505), (7670, 10632), (8860, 9204)]