83906480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:846

約数の個数: 80

約数和(自身を含む): 224182080

約数和(自身を除く): 140275600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 269, 280, 538, 557, 560, 1076, 1114, 1345, 1883, 2152, 2228, 2690, 2785, 3766, 3899, 4304, 4456, 5380, 5570, 7532, 7798, 8912, 9415, 10760, 11140, 15064, 15596, 18830, 19495, 21520, 22280, 30128, 31192, 37660, 38990, 44560, 62384, 75320, 77980, 149833, 150640, 155960, 299666, 311920, 599332, 749165, 1048831, 1198664, 1498330, 2097662, 2397328, 2996660, 4195324, 5244155, 5993320, 8390648, 10488310, 11986640, 16781296, 20976620, 41953240, 83906480]

約数ペア:

[(1, 83906480), (2, 41953240), (4, 20976620), (5, 16781296), (7, 11986640), (8, 10488310), (10, 8390648), (14, 5993320), (16, 5244155), (20, 4195324), (28, 2996660), (35, 2397328), (40, 2097662), (56, 1498330), (70, 1198664), (80, 1048831), (112, 749165), (140, 599332), (269, 311920), (280, 299666), (538, 155960), (557, 150640), (560, 149833), (1076, 77980), (1114, 75320), (1345, 62384), (1883, 44560), (2152, 38990), (2228, 37660), (2690, 31192), (2785, 30128), (3766, 22280), (3899, 21520), (4304, 19495), (4456, 18830), (5380, 15596), (5570, 15064), (7532, 11140), (7798, 10760), (8912, 9415)]