281115360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 240

約数和(自身を含む): 1006236000

約数和(自身を除く): 725120640

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, 81, 90, 96, 108, 109, 120, 135, 144, 160, 162, 180, 199, 216, 218, 240, 270, 288, 324, 327, 360, 398, 405, 432, 436, 480, 540, 545, 597, 648, 654, 720, 796, 810, 864, 872, 981, 995, 1080, 1090, 1194, 1296, 1308, 1440, 1592, 1620, 1635, 1744, 1791, 1962, 1990, 2160, 2180, 2388, 2592, 2616, 2943, 2985, 3184, 3240, 3270, 3488, 3582, 3924, 3980, 4320, 4360, 4776, 4905, 5232, 5373, 5886, 5970, 6368, 6480, 6540, 7164, 7848, 7960, 8720, 8829, 8955, 9552, 9810, 10464, 10746, 11772, 11940, 12960, 13080, 14328, 14715, 15696, 15920, 16119, 17440, 17658, 17910, 19104, 19620, 21492, 21691, 23544, 23880, 26160, 26865, 28656, 29430, 31392, 31840, 32238, 35316, 35820, 39240, 42984, 43382, 44145, 47088, 47760, 52320, 53730, 57312, 58860, 64476, 65073, 70632, 71640, 78480, 80595, 85968, 86764, 88290, 94176, 95520, 107460, 108455, 117720, 128952, 130146, 141264, 143280, 156960, 161190, 171936, 173528, 176580, 195219, 214920, 216910, 235440, 257904, 260292, 282528, 286560, 322380, 325365, 347056, 353160, 390438, 429840, 433820, 470880, 515808, 520584, 585657, 644760, 650730, 694112, 706320, 780876, 859680, 867640, 976095, 1041168, 1171314, 1289520, 1301460, 1412640, 1561752, 1735280, 1756971, 1952190, 2082336, 2342628, 2579040, 2602920, 2928285, 3123504, 3470560, 3513942, 3904380, 4685256, 5205840, 5856570, 6247008, 7027884, 7808760, 8784855, 9370512, 10411680, 11713140, 14055768, 15617520, 17569710, 18741024, 23426280, 28111536, 31235040, 35139420, 46852560, 56223072, 70278840, 93705120, 140557680, 281115360]

約数ペア:

[(1, 281115360), (2, 140557680), (3, 93705120), (4, 70278840), (5, 56223072), (6, 46852560), (8, 35139420), (9, 31235040), (10, 28111536), (12, 23426280), (15, 18741024), (16, 17569710), (18, 15617520), (20, 14055768), (24, 11713140), (27, 10411680), (30, 9370512), (32, 8784855), (36, 7808760), (40, 7027884), (45, 6247008), (48, 5856570), (54, 5205840), (60, 4685256), (72, 3904380), (80, 3513942), (81, 3470560), (90, 3123504), (96, 2928285), (108, 2602920), (109, 2579040), (120, 2342628), (135, 2082336), (144, 1952190), (160, 1756971), (162, 1735280), (180, 1561752), (199, 1412640), (216, 1301460), (218, 1289520), (240, 1171314), (270, 1041168), (288, 976095), (324, 867640), (327, 859680), (360, 780876), (398, 706320), (405, 694112), (432, 650730), (436, 644760), (480, 585657), (540, 520584), (545, 515808), (597, 470880), (648, 433820), (654, 429840), (720, 390438), (796, 353160), (810, 347056), (864, 325365), (872, 322380), (981, 286560), (995, 282528), (1080, 260292), (1090, 257904), (1194, 235440), (1296, 216910), (1308, 214920), (1440, 195219), (1592, 176580), (1620, 173528), (1635, 171936), (1744, 161190), (1791, 156960), (1962, 143280), (1990, 141264), (2160, 130146), (2180, 128952), (2388, 117720), (2592, 108455), (2616, 107460), (2943, 95520), (2985, 94176), (3184, 88290), (3240, 86764), (3270, 85968), (3488, 80595), (3582, 78480), (3924, 71640), (3980, 70632), (4320, 65073), (4360, 64476), (4776, 58860), (4905, 57312), (5232, 53730), (5373, 52320), (5886, 47760), (5970, 47088), (6368, 44145), (6480, 43382), (6540, 42984), (7164, 39240), (7848, 35820), (7960, 35316), (8720, 32238), (8829, 31840), (8955, 31392), (9552, 29430), (9810, 28656), (10464, 26865), (10746, 26160), (11772, 23880), (11940, 23544), (12960, 21691), (13080, 21492), (14328, 19620), (14715, 19104), (15696, 17910), (15920, 17658), (16119, 17440)]