81462240

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 289396800

約数和(自身を除く): 207934560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 109, 120, 135, 144, 160, 173, 180, 216, 218, 240, 270, 288, 327, 346, 360, 432, 436, 480, 519, 540, 545, 654, 692, 720, 864, 865, 872, 981, 1038, 1080, 1090, 1308, 1384, 1440, 1557, 1635, 1730, 1744, 1962, 2076, 2160, 2180, 2595, 2616, 2768, 2943, 3114, 3270, 3460, 3488, 3924, 4152, 4320, 4360, 4671, 4905, 5190, 5232, 5536, 5886, 6228, 6540, 6920, 7785, 7848, 8304, 8720, 9342, 9810, 10380, 10464, 11772, 12456, 13080, 13840, 14715, 15570, 15696, 16608, 17440, 18684, 18857, 19620, 20760, 23355, 23544, 24912, 26160, 27680, 29430, 31140, 31392, 37368, 37714, 39240, 41520, 46710, 47088, 49824, 52320, 56571, 58860, 62280, 74736, 75428, 78480, 83040, 93420, 94176, 94285, 113142, 117720, 124560, 149472, 150856, 156960, 169713, 186840, 188570, 226284, 235440, 249120, 282855, 301712, 339426, 373680, 377140, 452568, 470880, 509139, 565710, 603424, 678852, 747360, 754280, 848565, 905136, 1018278, 1131420, 1357704, 1508560, 1697130, 1810272, 2036556, 2262840, 2545695, 2715408, 3017120, 3394260, 4073112, 4525680, 5091390, 5430816, 6788520, 8146224, 9051360, 10182780, 13577040, 16292448, 20365560, 27154080, 40731120, 81462240]

約数ペア:

[(1, 81462240), (2, 40731120), (3, 27154080), (4, 20365560), (5, 16292448), (6, 13577040), (8, 10182780), (9, 9051360), (10, 8146224), (12, 6788520), (15, 5430816), (16, 5091390), (18, 4525680), (20, 4073112), (24, 3394260), (27, 3017120), (30, 2715408), (32, 2545695), (36, 2262840), (40, 2036556), (45, 1810272), (48, 1697130), (54, 1508560), (60, 1357704), (72, 1131420), (80, 1018278), (90, 905136), (96, 848565), (108, 754280), (109, 747360), (120, 678852), (135, 603424), (144, 565710), (160, 509139), (173, 470880), (180, 452568), (216, 377140), (218, 373680), (240, 339426), (270, 301712), (288, 282855), (327, 249120), (346, 235440), (360, 226284), (432, 188570), (436, 186840), (480, 169713), (519, 156960), (540, 150856), (545, 149472), (654, 124560), (692, 117720), (720, 113142), (864, 94285), (865, 94176), (872, 93420), (981, 83040), (1038, 78480), (1080, 75428), (1090, 74736), (1308, 62280), (1384, 58860), (1440, 56571), (1557, 52320), (1635, 49824), (1730, 47088), (1744, 46710), (1962, 41520), (2076, 39240), (2160, 37714), (2180, 37368), (2595, 31392), (2616, 31140), (2768, 29430), (2943, 27680), (3114, 26160), (3270, 24912), (3460, 23544), (3488, 23355), (3924, 20760), (4152, 19620), (4320, 18857), (4360, 18684), (4671, 17440), (4905, 16608), (5190, 15696), (5232, 15570), (5536, 14715), (5886, 13840), (6228, 13080), (6540, 12456), (6920, 11772), (7785, 10464), (7848, 10380), (8304, 9810), (8720, 9342)]