61448240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:774

約数の個数: 80

約数和(自身を含む): 164400192

約数和(自身を除く): 102951952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 197, 280, 394, 557, 560, 788, 985, 1114, 1379, 1576, 1970, 2228, 2758, 2785, 3152, 3899, 3940, 4456, 5516, 5570, 6895, 7798, 7880, 8912, 11032, 11140, 13790, 15596, 15760, 19495, 22064, 22280, 27580, 31192, 38990, 44560, 55160, 62384, 77980, 109729, 110320, 155960, 219458, 311920, 438916, 548645, 768103, 877832, 1097290, 1536206, 1755664, 2194580, 3072412, 3840515, 4389160, 6144824, 7681030, 8778320, 12289648, 15362060, 30724120, 61448240]

約数ペア:

[(1, 61448240), (2, 30724120), (4, 15362060), (5, 12289648), (7, 8778320), (8, 7681030), (10, 6144824), (14, 4389160), (16, 3840515), (20, 3072412), (28, 2194580), (35, 1755664), (40, 1536206), (56, 1097290), (70, 877832), (80, 768103), (112, 548645), (140, 438916), (197, 311920), (280, 219458), (394, 155960), (557, 110320), (560, 109729), (788, 77980), (985, 62384), (1114, 55160), (1379, 44560), (1576, 38990), (1970, 31192), (2228, 27580), (2758, 22280), (2785, 22064), (3152, 19495), (3899, 15760), (3940, 15596), (4456, 13790), (5516, 11140), (5570, 11032), (6895, 8912), (7798, 7880)]