278121570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 681920640

約数和(自身を除く): 403799070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 379, 401, 610, 758, 802, 915, 1137, 1203, 1830, 1895, 2005, 2274, 2406, 3790, 4010, 5685, 6015, 11370, 12030, 23119, 24461, 46238, 48922, 69357, 73383, 115595, 122305, 138714, 146766, 151979, 231190, 244610, 303958, 346785, 366915, 455937, 693570, 733830, 759895, 911874, 1519790, 2279685, 4559370, 9270719, 18541438, 27812157, 46353595, 55624314, 92707190, 139060785, 278121570]

約数ペア:

[(1, 278121570), (2, 139060785), (3, 92707190), (5, 55624314), (6, 46353595), (10, 27812157), (15, 18541438), (30, 9270719), (61, 4559370), (122, 2279685), (183, 1519790), (305, 911874), (366, 759895), (379, 733830), (401, 693570), (610, 455937), (758, 366915), (802, 346785), (915, 303958), (1137, 244610), (1203, 231190), (1830, 151979), (1895, 146766), (2005, 138714), (2274, 122305), (2406, 115595), (3790, 73383), (4010, 69357), (5685, 48922), (6015, 46238), (11370, 24461), (12030, 23119)]