16807120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 43390080

約数和(自身を除く): 26582960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 71, 80, 88, 110, 142, 176, 220, 269, 284, 355, 440, 538, 568, 710, 781, 880, 1076, 1136, 1345, 1420, 1562, 2152, 2690, 2840, 2959, 3124, 3905, 4304, 5380, 5680, 5918, 6248, 7810, 10760, 11836, 12496, 14795, 15620, 19099, 21520, 23672, 29590, 31240, 38198, 47344, 59180, 62480, 76396, 95495, 118360, 152792, 190990, 210089, 236720, 305584, 381980, 420178, 763960, 840356, 1050445, 1527920, 1680712, 2100890, 3361424, 4201780, 8403560, 16807120]

約数ペア:

[(1, 16807120), (2, 8403560), (4, 4201780), (5, 3361424), (8, 2100890), (10, 1680712), (11, 1527920), (16, 1050445), (20, 840356), (22, 763960), (40, 420178), (44, 381980), (55, 305584), (71, 236720), (80, 210089), (88, 190990), (110, 152792), (142, 118360), (176, 95495), (220, 76396), (269, 62480), (284, 59180), (355, 47344), (440, 38198), (538, 31240), (568, 29590), (710, 23672), (781, 21520), (880, 19099), (1076, 15620), (1136, 14795), (1345, 12496), (1420, 11836), (1562, 10760), (2152, 7810), (2690, 6248), (2840, 5918), (2959, 5680), (3124, 5380), (3905, 4304)]