1989840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8291}}^1$

素因数の和:8307

約数の個数: 40

約数和(自身を含む): 6169248

約数和(自身を除く): 4179408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8291, 16582, 24873, 33164, 41455, 49746, 66328, 82910, 99492, 124365, 132656, 165820, 198984, 248730, 331640, 397968, 497460, 663280, 994920, 1989840]

約数ペア:

[(1, 1989840), (2, 994920), (3, 663280), (4, 497460), (5, 397968), (6, 331640), (8, 248730), (10, 198984), (12, 165820), (15, 132656), (16, 124365), (20, 99492), (24, 82910), (30, 66328), (40, 49746), (48, 41455), (60, 33164), (80, 24873), (120, 16582), (240, 8291)]