15784020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12527}}^1$

素因数の和:12549

約数の個数: 72

約数和(自身を含む): 54722304

約数和(自身を除く): 38938284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12527, 25054, 37581, 50108, 62635, 75162, 87689, 112743, 125270, 150324, 175378, 187905, 225486, 250540, 263067, 350756, 375810, 438445, 450972, 526134, 563715, 751620, 789201, 876890, 1052268, 1127430, 1315335, 1578402, 1753780, 2254860, 2630670, 3156804, 3946005, 5261340, 7892010, 15784020]

約数ペア:

[(1, 15784020), (2, 7892010), (3, 5261340), (4, 3946005), (5, 3156804), (6, 2630670), (7, 2254860), (9, 1753780), (10, 1578402), (12, 1315335), (14, 1127430), (15, 1052268), (18, 876890), (20, 789201), (21, 751620), (28, 563715), (30, 526134), (35, 450972), (36, 438445), (42, 375810), (45, 350756), (60, 263067), (63, 250540), (70, 225486), (84, 187905), (90, 175378), (105, 150324), (126, 125270), (140, 112743), (180, 87689), (210, 75162), (252, 62635), (315, 50108), (420, 37581), (630, 25054), (1260, 12527)]