82671420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 259725312

約数和(自身を除く): 177053892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 169, 186, 195, 260, 263, 310, 338, 372, 390, 403, 465, 507, 526, 620, 676, 780, 789, 806, 845, 930, 1014, 1052, 1209, 1315, 1578, 1612, 1690, 1860, 2015, 2028, 2418, 2535, 2630, 3156, 3380, 3419, 3945, 4030, 4836, 5070, 5239, 5260, 6045, 6838, 7890, 8060, 8153, 10140, 10257, 10478, 12090, 13676, 15717, 15780, 16306, 17095, 20514, 20956, 24180, 24459, 26195, 31434, 32612, 34190, 40765, 41028, 44447, 48918, 51285, 52390, 62868, 68380, 78585, 81530, 88894, 97836, 102570, 104780, 105989, 122295, 133341, 157170, 163060, 177788, 205140, 211978, 222235, 244590, 266682, 314340, 317967, 423956, 444470, 489180, 529945, 533364, 635934, 666705, 888940, 1059890, 1271868, 1333410, 1377857, 1589835, 2119780, 2666820, 2755714, 3179670, 4133571, 5511428, 6359340, 6889285, 8267142, 13778570, 16534284, 20667855, 27557140, 41335710, 82671420]

約数ペア:

[(1, 82671420), (2, 41335710), (3, 27557140), (4, 20667855), (5, 16534284), (6, 13778570), (10, 8267142), (12, 6889285), (13, 6359340), (15, 5511428), (20, 4133571), (26, 3179670), (30, 2755714), (31, 2666820), (39, 2119780), (52, 1589835), (60, 1377857), (62, 1333410), (65, 1271868), (78, 1059890), (93, 888940), (124, 666705), (130, 635934), (155, 533364), (156, 529945), (169, 489180), (186, 444470), (195, 423956), (260, 317967), (263, 314340), (310, 266682), (338, 244590), (372, 222235), (390, 211978), (403, 205140), (465, 177788), (507, 163060), (526, 157170), (620, 133341), (676, 122295), (780, 105989), (789, 104780), (806, 102570), (845, 97836), (930, 88894), (1014, 81530), (1052, 78585), (1209, 68380), (1315, 62868), (1578, 52390), (1612, 51285), (1690, 48918), (1860, 44447), (2015, 41028), (2028, 40765), (2418, 34190), (2535, 32612), (2630, 31434), (3156, 26195), (3380, 24459), (3419, 24180), (3945, 20956), (4030, 20514), (4836, 17095), (5070, 16306), (5239, 15780), (5260, 15717), (6045, 13676), (6838, 12090), (7890, 10478), (8060, 10257), (8153, 10140)]