1640489520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{6835373}}^1$

素因数の和:6835389

約数の個数: 40

約数和(自身を含む): 5085518256

約数和(自身を除く): 3445028736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 6835373, 13670746, 20506119, 27341492, 34176865, 41012238, 54682984, 68353730, 82024476, 102530595, 109365968, 136707460, 164048952, 205061190, 273414920, 328097904, 410122380, 546829840, 820244760, 1640489520]

約数ペア:

[(1, 1640489520), (2, 820244760), (3, 546829840), (4, 410122380), (5, 328097904), (6, 273414920), (8, 205061190), (10, 164048952), (12, 136707460), (15, 109365968), (16, 102530595), (20, 82024476), (24, 68353730), (30, 54682984), (40, 41012238), (48, 34176865), (60, 27341492), (80, 20506119), (120, 13670746), (240, 6835373)]