81634380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19163}}^1$

素因数の和:19246

約数の個数: 48

約数和(自身を含む): 231807744

約数和(自身を除く): 150173364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 19163, 38326, 57489, 76652, 95815, 114978, 191630, 229956, 287445, 383260, 574890, 1149780, 1360573, 2721146, 4081719, 5442292, 6802865, 8163438, 13605730, 16326876, 20408595, 27211460, 40817190, 81634380]

約数ペア:

[(1, 81634380), (2, 40817190), (3, 27211460), (4, 20408595), (5, 16326876), (6, 13605730), (10, 8163438), (12, 6802865), (15, 5442292), (20, 4081719), (30, 2721146), (60, 1360573), (71, 1149780), (142, 574890), (213, 383260), (284, 287445), (355, 229956), (426, 191630), (710, 114978), (852, 95815), (1065, 76652), (1420, 57489), (2130, 38326), (4260, 19163)]