81059040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:513

約数の個数: 144

約数和(自身を含む): 279036576

約数和(自身を除く): 197977536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 181, 240, 288, 311, 360, 362, 480, 543, 622, 720, 724, 905, 933, 1086, 1244, 1440, 1448, 1555, 1629, 1810, 1866, 2172, 2488, 2715, 2799, 2896, 3110, 3258, 3620, 3732, 4344, 4665, 4976, 5430, 5598, 5792, 6220, 6516, 7240, 7464, 8145, 8688, 9330, 9952, 10860, 11196, 12440, 13032, 13995, 14480, 14928, 16290, 17376, 18660, 21720, 22392, 24880, 26064, 27990, 28960, 29856, 32580, 37320, 43440, 44784, 49760, 52128, 55980, 56291, 65160, 74640, 86880, 89568, 111960, 112582, 130320, 149280, 168873, 223920, 225164, 260640, 281455, 337746, 447840, 450328, 506619, 562910, 675492, 844365, 900656, 1013238, 1125820, 1350984, 1688730, 1801312, 2026476, 2251640, 2533095, 2701968, 3377460, 4052952, 4503280, 5066190, 5403936, 6754920, 8105904, 9006560, 10132380, 13509840, 16211808, 20264760, 27019680, 40529520, 81059040]

約数ペア:

[(1, 81059040), (2, 40529520), (3, 27019680), (4, 20264760), (5, 16211808), (6, 13509840), (8, 10132380), (9, 9006560), (10, 8105904), (12, 6754920), (15, 5403936), (16, 5066190), (18, 4503280), (20, 4052952), (24, 3377460), (30, 2701968), (32, 2533095), (36, 2251640), (40, 2026476), (45, 1801312), (48, 1688730), (60, 1350984), (72, 1125820), (80, 1013238), (90, 900656), (96, 844365), (120, 675492), (144, 562910), (160, 506619), (180, 450328), (181, 447840), (240, 337746), (288, 281455), (311, 260640), (360, 225164), (362, 223920), (480, 168873), (543, 149280), (622, 130320), (720, 112582), (724, 111960), (905, 89568), (933, 86880), (1086, 74640), (1244, 65160), (1440, 56291), (1448, 55980), (1555, 52128), (1629, 49760), (1810, 44784), (1866, 43440), (2172, 37320), (2488, 32580), (2715, 29856), (2799, 28960), (2896, 27990), (3110, 26064), (3258, 24880), (3620, 22392), (3732, 21720), (4344, 18660), (4665, 17376), (4976, 16290), (5430, 14928), (5598, 14480), (5792, 13995), (6220, 13032), (6516, 12440), (7240, 11196), (7464, 10860), (8145, 9952), (8688, 9330)]