121921920

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 192

約数和(自身を含む): 429146640

約数和(自身を除く): 307224720

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, 61, 64, 72, 80, 90, 96, 120, 122, 128, 144, 160, 180, 183, 192, 240, 244, 288, 305, 320, 347, 360, 366, 384, 480, 488, 549, 576, 610, 640, 694, 720, 732, 915, 960, 976, 1041, 1098, 1152, 1220, 1388, 1440, 1464, 1735, 1830, 1920, 1952, 2082, 2196, 2440, 2745, 2776, 2880, 2928, 3123, 3470, 3660, 3904, 4164, 4392, 4880, 5205, 5490, 5552, 5760, 5856, 6246, 6940, 7320, 7808, 8328, 8784, 9760, 10410, 10980, 11104, 11712, 12492, 13880, 14640, 15615, 16656, 17568, 19520, 20820, 21167, 21960, 22208, 23424, 24984, 27760, 29280, 31230, 33312, 35136, 39040, 41640, 42334, 43920, 44416, 49968, 55520, 58560, 62460, 63501, 66624, 70272, 83280, 84668, 87840, 99936, 105835, 111040, 117120, 124920, 127002, 133248, 166560, 169336, 175680, 190503, 199872, 211670, 222080, 249840, 254004, 317505, 333120, 338672, 351360, 381006, 399744, 423340, 499680, 508008, 635010, 666240, 677344, 762012, 846680, 952515, 999360, 1016016, 1270020, 1354688, 1524024, 1693360, 1905030, 1998720, 2032032, 2540040, 2709376, 3048048, 3386720, 3810060, 4064064, 5080080, 6096096, 6773440, 7620120, 8128128, 10160160, 12192192, 13546880, 15240240, 20320320, 24384384, 30480480, 40640640, 60960960, 121921920]

約数ペア:

[(1, 121921920), (2, 60960960), (3, 40640640), (4, 30480480), (5, 24384384), (6, 20320320), (8, 15240240), (9, 13546880), (10, 12192192), (12, 10160160), (15, 8128128), (16, 7620120), (18, 6773440), (20, 6096096), (24, 5080080), (30, 4064064), (32, 3810060), (36, 3386720), (40, 3048048), (45, 2709376), (48, 2540040), (60, 2032032), (61, 1998720), (64, 1905030), (72, 1693360), (80, 1524024), (90, 1354688), (96, 1270020), (120, 1016016), (122, 999360), (128, 952515), (144, 846680), (160, 762012), (180, 677344), (183, 666240), (192, 635010), (240, 508008), (244, 499680), (288, 423340), (305, 399744), (320, 381006), (347, 351360), (360, 338672), (366, 333120), (384, 317505), (480, 254004), (488, 249840), (549, 222080), (576, 211670), (610, 199872), (640, 190503), (694, 175680), (720, 169336), (732, 166560), (915, 133248), (960, 127002), (976, 124920), (1041, 117120), (1098, 111040), (1152, 105835), (1220, 99936), (1388, 87840), (1440, 84668), (1464, 83280), (1735, 70272), (1830, 66624), (1920, 63501), (1952, 62460), (2082, 58560), (2196, 55520), (2440, 49968), (2745, 44416), (2776, 43920), (2880, 42334), (2928, 41640), (3123, 39040), (3470, 35136), (3660, 33312), (3904, 31230), (4164, 29280), (4392, 27760), (4880, 24984), (5205, 23424), (5490, 22208), (5552, 21960), (5760, 21167), (5856, 20820), (6246, 19520), (6940, 17568), (7320, 16656), (7808, 15615), (8328, 14640), (8784, 13880), (9760, 12492), (10410, 11712), (10980, 11104)]