28371128720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{119851}}^1$

素因数の和:120144

約数の個数: 80

約数和(自身を含む): 72227609280

約数和(自身を除く): 43856480560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 440, 538, 880, 1076, 1345, 2152, 2690, 2959, 4304, 5380, 5918, 10760, 11836, 14795, 21520, 23672, 29590, 47344, 59180, 118360, 119851, 236720, 239702, 479404, 599255, 958808, 1198510, 1318361, 1917616, 2397020, 2636722, 4794040, 5273444, 6591805, 9588080, 10546888, 13183610, 21093776, 26367220, 32239919, 52734440, 64479838, 105468880, 128959676, 161199595, 257919352, 322399190, 354639109, 515838704, 644798380, 709278218, 1289596760, 1418556436, 1773195545, 2579193520, 2837112872, 3546391090, 5674225744, 7092782180, 14185564360, 28371128720]

約数ペア:

[(1, 28371128720), (2, 14185564360), (4, 7092782180), (5, 5674225744), (8, 3546391090), (10, 2837112872), (11, 2579193520), (16, 1773195545), (20, 1418556436), (22, 1289596760), (40, 709278218), (44, 644798380), (55, 515838704), (80, 354639109), (88, 322399190), (110, 257919352), (176, 161199595), (220, 128959676), (269, 105468880), (440, 64479838), (538, 52734440), (880, 32239919), (1076, 26367220), (1345, 21093776), (2152, 13183610), (2690, 10546888), (2959, 9588080), (4304, 6591805), (5380, 5273444), (5918, 4794040), (10760, 2636722), (11836, 2397020), (14795, 1917616), (21520, 1318361), (23672, 1198510), (29590, 958808), (47344, 599255), (59180, 479404), (118360, 239702), (119851, 236720)]