123912960

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 216

約数和(自身を含む): 420483504

約数和(自身を除く): 296570544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 61, 64, 69, 80, 92, 96, 115, 120, 122, 128, 138, 160, 183, 184, 192, 230, 240, 244, 256, 276, 305, 320, 345, 366, 368, 384, 460, 480, 488, 529, 552, 610, 640, 690, 732, 736, 768, 915, 920, 960, 976, 1058, 1104, 1220, 1280, 1380, 1403, 1464, 1472, 1587, 1830, 1840, 1920, 1952, 2116, 2208, 2440, 2645, 2760, 2806, 2928, 2944, 3174, 3660, 3680, 3840, 3904, 4209, 4232, 4416, 4880, 5290, 5520, 5612, 5856, 5888, 6348, 7015, 7320, 7360, 7808, 7935, 8418, 8464, 8832, 9760, 10580, 11040, 11224, 11712, 12696, 14030, 14640, 14720, 15616, 15870, 16836, 16928, 17664, 19520, 21045, 21160, 22080, 22448, 23424, 25392, 28060, 29280, 29440, 31740, 32269, 33672, 33856, 39040, 42090, 42320, 44160, 44896, 46848, 50784, 56120, 58560, 63480, 64538, 67344, 67712, 78080, 84180, 84640, 88320, 89792, 96807, 101568, 112240, 117120, 126960, 129076, 134688, 135424, 161345, 168360, 169280, 179584, 193614, 203136, 224480, 234240, 253920, 258152, 269376, 322690, 336720, 338560, 359168, 387228, 406272, 448960, 484035, 507840, 516304, 538752, 645380, 673440, 677120, 774456, 897920, 968070, 1015680, 1032608, 1077504, 1290760, 1346880, 1548912, 1795840, 1936140, 2031360, 2065216, 2581520, 2693760, 3097824, 3872280, 4130432, 5163040, 5387520, 6195648, 7744560, 8260864, 10326080, 12391296, 15489120, 20652160, 24782592, 30978240, 41304320, 61956480, 123912960]

約数ペア:

[(1, 123912960), (2, 61956480), (3, 41304320), (4, 30978240), (5, 24782592), (6, 20652160), (8, 15489120), (10, 12391296), (12, 10326080), (15, 8260864), (16, 7744560), (20, 6195648), (23, 5387520), (24, 5163040), (30, 4130432), (32, 3872280), (40, 3097824), (46, 2693760), (48, 2581520), (60, 2065216), (61, 2031360), (64, 1936140), (69, 1795840), (80, 1548912), (92, 1346880), (96, 1290760), (115, 1077504), (120, 1032608), (122, 1015680), (128, 968070), (138, 897920), (160, 774456), (183, 677120), (184, 673440), (192, 645380), (230, 538752), (240, 516304), (244, 507840), (256, 484035), (276, 448960), (305, 406272), (320, 387228), (345, 359168), (366, 338560), (368, 336720), (384, 322690), (460, 269376), (480, 258152), (488, 253920), (529, 234240), (552, 224480), (610, 203136), (640, 193614), (690, 179584), (732, 169280), (736, 168360), (768, 161345), (915, 135424), (920, 134688), (960, 129076), (976, 126960), (1058, 117120), (1104, 112240), (1220, 101568), (1280, 96807), (1380, 89792), (1403, 88320), (1464, 84640), (1472, 84180), (1587, 78080), (1830, 67712), (1840, 67344), (1920, 64538), (1952, 63480), (2116, 58560), (2208, 56120), (2440, 50784), (2645, 46848), (2760, 44896), (2806, 44160), (2928, 42320), (2944, 42090), (3174, 39040), (3660, 33856), (3680, 33672), (3840, 32269), (3904, 31740), (4209, 29440), (4232, 29280), (4416, 28060), (4880, 25392), (5290, 23424), (5520, 22448), (5612, 22080), (5856, 21160), (5888, 21045), (6348, 19520), (7015, 17664), (7320, 16928), (7360, 16836), (7808, 15870), (7935, 15616), (8418, 14720), (8464, 14640), (8832, 14030), (9760, 12696), (10580, 11712), (11040, 11224)]