77877760

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1101

約数の個数: 80

約数和(自身を含む): 193347000

約数和(自身を除く): 115469240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1049, 1160, 1280, 1856, 2098, 2320, 2560, 3712, 4196, 4640, 5245, 7424, 8392, 9280, 10490, 14848, 16784, 18560, 20980, 30421, 33568, 37120, 41960, 60842, 67136, 74240, 83920, 121684, 134272, 152105, 167840, 243368, 268544, 304210, 335680, 486736, 537088, 608420, 671360, 973472, 1216840, 1342720, 1946944, 2433680, 2685440, 3893888, 4867360, 7787776, 9734720, 15575552, 19469440, 38938880, 77877760]

約数ペア:

[(1, 77877760), (2, 38938880), (4, 19469440), (5, 15575552), (8, 9734720), (10, 7787776), (16, 4867360), (20, 3893888), (29, 2685440), (32, 2433680), (40, 1946944), (58, 1342720), (64, 1216840), (80, 973472), (116, 671360), (128, 608420), (145, 537088), (160, 486736), (232, 335680), (256, 304210), (290, 268544), (320, 243368), (464, 167840), (512, 152105), (580, 134272), (640, 121684), (928, 83920), (1049, 74240), (1160, 67136), (1280, 60842), (1856, 41960), (2098, 37120), (2320, 33568), (2560, 30421), (3712, 20980), (4196, 18560), (4640, 16784), (5245, 14848), (7424, 10490), (8392, 9280)]