217911680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:536

約数の個数: 128

約数和(自身を含む): 601620480

約数和(自身を除く): 383708800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 127, 128, 140, 160, 224, 254, 280, 320, 383, 448, 508, 560, 635, 640, 766, 889, 896, 1016, 1120, 1270, 1532, 1778, 1915, 2032, 2240, 2540, 2681, 3064, 3556, 3830, 4064, 4445, 4480, 5080, 5362, 6128, 7112, 7660, 8128, 8890, 10160, 10724, 12256, 13405, 14224, 15320, 16256, 17780, 20320, 21448, 24512, 26810, 28448, 30640, 35560, 40640, 42896, 48641, 49024, 53620, 56896, 61280, 71120, 81280, 85792, 97282, 107240, 113792, 122560, 142240, 171584, 194564, 214480, 243205, 245120, 284480, 340487, 343168, 389128, 428960, 486410, 568960, 680974, 778256, 857920, 972820, 1361948, 1556512, 1702435, 1715840, 1945640, 2723896, 3113024, 3404870, 3891280, 5447792, 6226048, 6809740, 7782560, 10895584, 13619480, 15565120, 21791168, 27238960, 31130240, 43582336, 54477920, 108955840, 217911680]

約数ペア:

[(1, 217911680), (2, 108955840), (4, 54477920), (5, 43582336), (7, 31130240), (8, 27238960), (10, 21791168), (14, 15565120), (16, 13619480), (20, 10895584), (28, 7782560), (32, 6809740), (35, 6226048), (40, 5447792), (56, 3891280), (64, 3404870), (70, 3113024), (80, 2723896), (112, 1945640), (127, 1715840), (128, 1702435), (140, 1556512), (160, 1361948), (224, 972820), (254, 857920), (280, 778256), (320, 680974), (383, 568960), (448, 486410), (508, 428960), (560, 389128), (635, 343168), (640, 340487), (766, 284480), (889, 245120), (896, 243205), (1016, 214480), (1120, 194564), (1270, 171584), (1532, 142240), (1778, 122560), (1915, 113792), (2032, 107240), (2240, 97282), (2540, 85792), (2681, 81280), (3064, 71120), (3556, 61280), (3830, 56896), (4064, 53620), (4445, 49024), (4480, 48641), (5080, 42896), (5362, 40640), (6128, 35560), (7112, 30640), (7660, 28448), (8128, 26810), (8890, 24512), (10160, 21448), (10724, 20320), (12256, 17780), (13405, 16256), (14224, 15320)]