280518180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 801204096

約数和(自身を除く): 520685916

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 157, 194, 291, 307, 314, 388, 471, 485, 582, 614, 628, 785, 921, 942, 970, 1164, 1228, 1455, 1535, 1570, 1842, 1884, 1940, 2355, 2910, 3070, 3140, 3684, 4605, 4710, 5820, 6140, 9210, 9420, 15229, 18420, 29779, 30458, 45687, 48199, 59558, 60916, 76145, 89337, 91374, 96398, 119116, 144597, 148895, 152290, 178674, 182748, 192796, 228435, 240995, 289194, 297790, 304580, 357348, 446685, 456870, 481990, 578388, 595580, 722985, 893370, 913740, 963980, 1445970, 1786740, 2891940, 4675303, 9350606, 14025909, 18701212, 23376515, 28051818, 46753030, 56103636, 70129545, 93506060, 140259090, 280518180]

約数ペア:

[(1, 280518180), (2, 140259090), (3, 93506060), (4, 70129545), (5, 56103636), (6, 46753030), (10, 28051818), (12, 23376515), (15, 18701212), (20, 14025909), (30, 9350606), (60, 4675303), (97, 2891940), (157, 1786740), (194, 1445970), (291, 963980), (307, 913740), (314, 893370), (388, 722985), (471, 595580), (485, 578388), (582, 481990), (614, 456870), (628, 446685), (785, 357348), (921, 304580), (942, 297790), (970, 289194), (1164, 240995), (1228, 228435), (1455, 192796), (1535, 182748), (1570, 178674), (1842, 152290), (1884, 148895), (1940, 144597), (2355, 119116), (2910, 96398), (3070, 91374), (3140, 89337), (3684, 76145), (4605, 60916), (4710, 59558), (5820, 48199), (6140, 45687), (9210, 30458), (9420, 29779), (15229, 18420)]