80341760

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2729}}^1$

素因数の和:2773

約数の個数: 72

約数和(自身を含む): 200884320

約数和(自身を除く): 120542560

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, 2729, 2944, 3680, 5458, 5888, 7360, 10916, 13645, 14720, 21832, 27290, 29440, 43664, 54580, 62767, 87328, 109160, 125534, 174656, 218320, 251068, 313835, 349312, 436640, 502136, 627670, 698624, 873280, 1004272, 1255340, 1746560, 2008544, 2510680, 3493120, 4017088, 5021360, 8034176, 10042720, 16068352, 20085440, 40170880, 80341760]

約数ペア:

[(1, 80341760), (2, 40170880), (4, 20085440), (5, 16068352), (8, 10042720), (10, 8034176), (16, 5021360), (20, 4017088), (23, 3493120), (32, 2510680), (40, 2008544), (46, 1746560), (64, 1255340), (80, 1004272), (92, 873280), (115, 698624), (128, 627670), (160, 502136), (184, 436640), (230, 349312), (256, 313835), (320, 251068), (368, 218320), (460, 174656), (640, 125534), (736, 109160), (920, 87328), (1280, 62767), (1472, 54580), (1840, 43664), (2729, 29440), (2944, 27290), (3680, 21832), (5458, 14720), (5888, 13645), (7360, 10916)]