30978240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 168

約数和(自身を含む): 104503728

約数和(自身を除く): 73525488

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, 138, 160, 183, 184, 192, 230, 240, 244, 276, 305, 320, 345, 366, 368, 460, 480, 488, 529, 552, 610, 690, 732, 736, 915, 920, 960, 976, 1058, 1104, 1220, 1380, 1403, 1464, 1472, 1587, 1830, 1840, 1952, 2116, 2208, 2440, 2645, 2760, 2806, 2928, 3174, 3660, 3680, 3904, 4209, 4232, 4416, 4880, 5290, 5520, 5612, 5856, 6348, 7015, 7320, 7360, 7935, 8418, 8464, 9760, 10580, 11040, 11224, 11712, 12696, 14030, 14640, 15870, 16836, 16928, 19520, 21045, 21160, 22080, 22448, 25392, 28060, 29280, 31740, 32269, 33672, 33856, 42090, 42320, 44896, 50784, 56120, 58560, 63480, 64538, 67344, 84180, 84640, 89792, 96807, 101568, 112240, 126960, 129076, 134688, 161345, 168360, 169280, 193614, 224480, 253920, 258152, 269376, 322690, 336720, 387228, 448960, 484035, 507840, 516304, 645380, 673440, 774456, 968070, 1032608, 1290760, 1346880, 1548912, 1936140, 2065216, 2581520, 3097824, 3872280, 5163040, 6195648, 7744560, 10326080, 15489120, 30978240]

約数ペア:

[(1, 30978240), (2, 15489120), (3, 10326080), (4, 7744560), (5, 6195648), (6, 5163040), (8, 3872280), (10, 3097824), (12, 2581520), (15, 2065216), (16, 1936140), (20, 1548912), (23, 1346880), (24, 1290760), (30, 1032608), (32, 968070), (40, 774456), (46, 673440), (48, 645380), (60, 516304), (61, 507840), (64, 484035), (69, 448960), (80, 387228), (92, 336720), (96, 322690), (115, 269376), (120, 258152), (122, 253920), (138, 224480), (160, 193614), (183, 169280), (184, 168360), (192, 161345), (230, 134688), (240, 129076), (244, 126960), (276, 112240), (305, 101568), (320, 96807), (345, 89792), (366, 84640), (368, 84180), (460, 67344), (480, 64538), (488, 63480), (529, 58560), (552, 56120), (610, 50784), (690, 44896), (732, 42320), (736, 42090), (915, 33856), (920, 33672), (960, 32269), (976, 31740), (1058, 29280), (1104, 28060), (1220, 25392), (1380, 22448), (1403, 22080), (1464, 21160), (1472, 21045), (1587, 19520), (1830, 16928), (1840, 16836), (1952, 15870), (2116, 14640), (2208, 14030), (2440, 12696), (2645, 11712), (2760, 11224), (2806, 11040), (2928, 10580), (3174, 9760), (3660, 8464), (3680, 8418), (3904, 7935), (4209, 7360), (4232, 7320), (4416, 7015), (4880, 6348), (5290, 5856), (5520, 5612)]