221667120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{307871}}^1$

素因数の和:307890

約数の個数: 60

約数和(自身を含む): 744434496

約数和(自身を除く): 522767376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 307871, 615742, 923613, 1231484, 1539355, 1847226, 2462968, 2770839, 3078710, 3694452, 4618065, 4925936, 5541678, 6157420, 7388904, 9236130, 11083356, 12314840, 13854195, 14777808, 18472260, 22166712, 24629680, 27708390, 36944520, 44333424, 55416780, 73889040, 110833560, 221667120]

約数ペア:

[(1, 221667120), (2, 110833560), (3, 73889040), (4, 55416780), (5, 44333424), (6, 36944520), (8, 27708390), (9, 24629680), (10, 22166712), (12, 18472260), (15, 14777808), (16, 13854195), (18, 12314840), (20, 11083356), (24, 9236130), (30, 7388904), (36, 6157420), (40, 5541678), (45, 4925936), (48, 4618065), (60, 3694452), (72, 3078710), (80, 2770839), (90, 2462968), (120, 1847226), (144, 1539355), (180, 1231484), (240, 923613), (360, 615742), (720, 307871)]