2912785040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89459}}^1$

素因数の和:89520

約数の個数: 80

約数和(自身を含む): 7587639360

約数和(自身を除く): 4674854320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 2035, 2960, 3256, 4070, 6512, 8140, 16280, 32560, 89459, 178918, 357836, 447295, 715672, 894590, 984049, 1431344, 1789180, 1968098, 3309983, 3578360, 3936196, 4920245, 6619966, 7156720, 7872392, 9840490, 13239932, 15744784, 16549915, 19680980, 26479864, 33099830, 36409813, 39361960, 52959728, 66199660, 72819626, 78723920, 132399320, 145639252, 182049065, 264798640, 291278504, 364098130, 582557008, 728196260, 1456392520, 2912785040]

約数ペア:

[(1, 2912785040), (2, 1456392520), (4, 728196260), (5, 582557008), (8, 364098130), (10, 291278504), (11, 264798640), (16, 182049065), (20, 145639252), (22, 132399320), (37, 78723920), (40, 72819626), (44, 66199660), (55, 52959728), (74, 39361960), (80, 36409813), (88, 33099830), (110, 26479864), (148, 19680980), (176, 16549915), (185, 15744784), (220, 13239932), (296, 9840490), (370, 7872392), (407, 7156720), (440, 6619966), (592, 4920245), (740, 3936196), (814, 3578360), (880, 3309983), (1480, 1968098), (1628, 1789180), (2035, 1431344), (2960, 984049), (3256, 894590), (4070, 715672), (6512, 447295), (8140, 357836), (16280, 178918), (32560, 89459)]