221431440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{922631}}^1$

素因数の和:922647

約数の個数: 40

約数和(自身を含む): 686438208

約数和(自身を除く): 465006768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 922631, 1845262, 2767893, 3690524, 4613155, 5535786, 7381048, 9226310, 11071572, 13839465, 14762096, 18452620, 22143144, 27678930, 36905240, 44286288, 55357860, 73810480, 110715720, 221431440]

約数ペア:

[(1, 221431440), (2, 110715720), (3, 73810480), (4, 55357860), (5, 44286288), (6, 36905240), (8, 27678930), (10, 22143144), (12, 18452620), (15, 14762096), (16, 13839465), (20, 11071572), (24, 9226310), (30, 7381048), (40, 5535786), (48, 4613155), (60, 3690524), (80, 2767893), (120, 1845262), (240, 922631)]