221235120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2819}}^1$

素因数の和:2947

約数の個数: 120

約数和(自身を含む): 750063600

約数和(自身を除く): 528828480

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, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 2180, 2616, 2819, 3270, 3924, 4360, 4905, 5232, 5638, 6540, 7848, 8457, 8720, 9810, 11276, 13080, 14095, 15696, 16914, 19620, 22552, 25371, 26160, 28190, 33828, 39240, 42285, 45104, 50742, 56380, 67656, 78480, 84570, 101484, 112760, 126855, 135312, 169140, 202968, 225520, 253710, 307271, 338280, 405936, 507420, 614542, 676560, 921813, 1014840, 1229084, 1536355, 1843626, 2029680, 2458168, 2765439, 3072710, 3687252, 4609065, 4916336, 5530878, 6145420, 7374504, 9218130, 11061756, 12290840, 13827195, 14749008, 18436260, 22123512, 24581680, 27654390, 36872520, 44247024, 55308780, 73745040, 110617560, 221235120]

約数ペア:

[(1, 221235120), (2, 110617560), (3, 73745040), (4, 55308780), (5, 44247024), (6, 36872520), (8, 27654390), (9, 24581680), (10, 22123512), (12, 18436260), (15, 14749008), (16, 13827195), (18, 12290840), (20, 11061756), (24, 9218130), (30, 7374504), (36, 6145420), (40, 5530878), (45, 4916336), (48, 4609065), (60, 3687252), (72, 3072710), (80, 2765439), (90, 2458168), (109, 2029680), (120, 1843626), (144, 1536355), (180, 1229084), (218, 1014840), (240, 921813), (327, 676560), (360, 614542), (436, 507420), (545, 405936), (654, 338280), (720, 307271), (872, 253710), (981, 225520), (1090, 202968), (1308, 169140), (1635, 135312), (1744, 126855), (1962, 112760), (2180, 101484), (2616, 84570), (2819, 78480), (3270, 67656), (3924, 56380), (4360, 50742), (4905, 45104), (5232, 42285), (5638, 39240), (6540, 33828), (7848, 28190), (8457, 26160), (8720, 25371), (9810, 22552), (11276, 19620), (13080, 16914), (14095, 15696)]