30030680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 70424640

約数和(自身を除く): 40393960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 103, 148, 185, 197, 206, 296, 370, 394, 412, 515, 740, 788, 824, 985, 1030, 1480, 1576, 1970, 2060, 3811, 3940, 4120, 7289, 7622, 7880, 14578, 15244, 19055, 20291, 29156, 30488, 36445, 38110, 40582, 58312, 72890, 76220, 81164, 101455, 145780, 152440, 162328, 202910, 291560, 405820, 750767, 811640, 1501534, 3003068, 3753835, 6006136, 7507670, 15015340, 30030680]

約数ペア:

[(1, 30030680), (2, 15015340), (4, 7507670), (5, 6006136), (8, 3753835), (10, 3003068), (20, 1501534), (37, 811640), (40, 750767), (74, 405820), (103, 291560), (148, 202910), (185, 162328), (197, 152440), (206, 145780), (296, 101455), (370, 81164), (394, 76220), (412, 72890), (515, 58312), (740, 40582), (788, 38110), (824, 36445), (985, 30488), (1030, 29156), (1480, 20291), (1576, 19055), (1970, 15244), (2060, 14578), (3811, 7880), (3940, 7622), (4120, 7289)]