1802640640

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61231}}^1$

素因数の和:61275

約数の個数: 72

約数和(自身を含む): 4505695488

約数和(自身を除く): 2703054848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 14720, 29440, 61231, 122462, 244924, 306155, 489848, 612310, 979696, 1224620, 1408313, 1959392, 2449240, 2816626, 3918784, 4898480, 5633252, 7041565, 7837568, 9796960, 11266504, 14083130, 15675136, 19593920, 22533008, 28166260, 39187840, 45066016, 56332520, 78375680, 90132032, 112665040, 180264064, 225330080, 360528128, 450660160, 901320320, 1802640640]

約数ペア:

[(1, 1802640640), (2, 901320320), (4, 450660160), (5, 360528128), (8, 225330080), (10, 180264064), (16, 112665040), (20, 90132032), (23, 78375680), (32, 56332520), (40, 45066016), (46, 39187840), (64, 28166260), (80, 22533008), (92, 19593920), (115, 15675136), (128, 14083130), (160, 11266504), (184, 9796960), (230, 7837568), (256, 7041565), (320, 5633252), (368, 4898480), (460, 3918784), (640, 2816626), (736, 2449240), (920, 1959392), (1280, 1408313), (1472, 1224620), (1840, 979696), (2944, 612310), (3680, 489848), (5888, 306155), (7360, 244924), (14720, 122462), (29440, 61231)]