128334240

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 192

約数和(自身を含む): 457470720

約数和(自身を除く): 329136480

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, 61, 72, 80, 90, 96, 108, 120, 122, 135, 144, 160, 180, 183, 216, 240, 244, 270, 288, 305, 360, 366, 432, 480, 487, 488, 540, 549, 610, 720, 732, 864, 915, 974, 976, 1080, 1098, 1220, 1440, 1461, 1464, 1647, 1830, 1948, 1952, 2160, 2196, 2435, 2440, 2745, 2922, 2928, 3294, 3660, 3896, 4320, 4383, 4392, 4870, 4880, 5490, 5844, 5856, 6588, 7305, 7320, 7792, 8235, 8766, 8784, 9740, 9760, 10980, 11688, 13149, 13176, 14610, 14640, 15584, 16470, 17532, 17568, 19480, 21915, 21960, 23376, 26298, 26352, 29220, 29280, 29707, 32940, 35064, 38960, 43830, 43920, 46752, 52596, 52704, 58440, 59414, 65745, 65880, 70128, 77920, 87660, 87840, 89121, 105192, 116880, 118828, 131490, 131760, 140256, 148535, 175320, 178242, 210384, 233760, 237656, 262980, 263520, 267363, 297070, 350640, 356484, 420768, 445605, 475312, 525960, 534726, 594140, 701280, 712968, 802089, 891210, 950624, 1051920, 1069452, 1188280, 1336815, 1425936, 1604178, 1782420, 2103840, 2138904, 2376560, 2673630, 2851872, 3208356, 3564840, 4010445, 4277808, 4753120, 5347260, 6416712, 7129680, 8020890, 8555616, 10694520, 12833424, 14259360, 16041780, 21389040, 25666848, 32083560, 42778080, 64167120, 128334240]

約数ペア:

[(1, 128334240), (2, 64167120), (3, 42778080), (4, 32083560), (5, 25666848), (6, 21389040), (8, 16041780), (9, 14259360), (10, 12833424), (12, 10694520), (15, 8555616), (16, 8020890), (18, 7129680), (20, 6416712), (24, 5347260), (27, 4753120), (30, 4277808), (32, 4010445), (36, 3564840), (40, 3208356), (45, 2851872), (48, 2673630), (54, 2376560), (60, 2138904), (61, 2103840), (72, 1782420), (80, 1604178), (90, 1425936), (96, 1336815), (108, 1188280), (120, 1069452), (122, 1051920), (135, 950624), (144, 891210), (160, 802089), (180, 712968), (183, 701280), (216, 594140), (240, 534726), (244, 525960), (270, 475312), (288, 445605), (305, 420768), (360, 356484), (366, 350640), (432, 297070), (480, 267363), (487, 263520), (488, 262980), (540, 237656), (549, 233760), (610, 210384), (720, 178242), (732, 175320), (864, 148535), (915, 140256), (974, 131760), (976, 131490), (1080, 118828), (1098, 116880), (1220, 105192), (1440, 89121), (1461, 87840), (1464, 87660), (1647, 77920), (1830, 70128), (1948, 65880), (1952, 65745), (2160, 59414), (2196, 58440), (2435, 52704), (2440, 52596), (2745, 46752), (2922, 43920), (2928, 43830), (3294, 38960), (3660, 35064), (3896, 32940), (4320, 29707), (4383, 29280), (4392, 29220), (4870, 26352), (4880, 26298), (5490, 23376), (5844, 21960), (5856, 21915), (6588, 19480), (7305, 17568), (7320, 17532), (7792, 16470), (8235, 15584), (8766, 14640), (8784, 14610), (9740, 13176), (9760, 13149), (10980, 11688)]