131178320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:557

約数の個数: 160

約数和(自身を含む): 386308608

約数和(自身を除く): 255130288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 80, 91, 104, 112, 130, 140, 148, 182, 185, 208, 259, 260, 280, 296, 364, 370, 455, 481, 487, 518, 520, 560, 592, 728, 740, 910, 962, 974, 1036, 1040, 1295, 1456, 1480, 1820, 1924, 1948, 2072, 2405, 2435, 2590, 2960, 3367, 3409, 3640, 3848, 3896, 4144, 4810, 4870, 5180, 6331, 6734, 6818, 7280, 7696, 7792, 9620, 9740, 10360, 12662, 13468, 13636, 16835, 17045, 18019, 19240, 19480, 20720, 25324, 26936, 27272, 31655, 33670, 34090, 36038, 38480, 38960, 44317, 50648, 53872, 54544, 63310, 67340, 68180, 72076, 88634, 90095, 101296, 126133, 126620, 134680, 136360, 144152, 177268, 180190, 221585, 234247, 252266, 253240, 269360, 272720, 288304, 354536, 360380, 443170, 468494, 504532, 506480, 630665, 709072, 720760, 886340, 936988, 1009064, 1171235, 1261330, 1441520, 1639729, 1772680, 1873976, 2018128, 2342470, 2522660, 3279458, 3545360, 3747952, 4684940, 5045320, 6558916, 8198645, 9369880, 10090640, 13117832, 16397290, 18739760, 26235664, 32794580, 65589160, 131178320]

約数ペア:

[(1, 131178320), (2, 65589160), (4, 32794580), (5, 26235664), (7, 18739760), (8, 16397290), (10, 13117832), (13, 10090640), (14, 9369880), (16, 8198645), (20, 6558916), (26, 5045320), (28, 4684940), (35, 3747952), (37, 3545360), (40, 3279458), (52, 2522660), (56, 2342470), (65, 2018128), (70, 1873976), (74, 1772680), (80, 1639729), (91, 1441520), (104, 1261330), (112, 1171235), (130, 1009064), (140, 936988), (148, 886340), (182, 720760), (185, 709072), (208, 630665), (259, 506480), (260, 504532), (280, 468494), (296, 443170), (364, 360380), (370, 354536), (455, 288304), (481, 272720), (487, 269360), (518, 253240), (520, 252266), (560, 234247), (592, 221585), (728, 180190), (740, 177268), (910, 144152), (962, 136360), (974, 134680), (1036, 126620), (1040, 126133), (1295, 101296), (1456, 90095), (1480, 88634), (1820, 72076), (1924, 68180), (1948, 67340), (2072, 63310), (2405, 54544), (2435, 53872), (2590, 50648), (2960, 44317), (3367, 38960), (3409, 38480), (3640, 36038), (3848, 34090), (3896, 33670), (4144, 31655), (4810, 27272), (4870, 26936), (5180, 25324), (6331, 20720), (6734, 19480), (6818, 19240), (7280, 18019), (7696, 17045), (7792, 16835), (9620, 13636), (9740, 13468), (10360, 12662)]