205408980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^3\times {\mathrm{1109}}^1$

素因数の和:1148

約数の個数: 192

約数和(自身を含む): 745920000

約数和(自身を除く): 540511020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 343, 378, 420, 441, 490, 540, 588, 630, 686, 735, 756, 882, 945, 980, 1029, 1109, 1260, 1323, 1372, 1470, 1715, 1764, 1890, 2058, 2205, 2218, 2646, 2940, 3087, 3327, 3430, 3780, 4116, 4410, 4436, 5145, 5292, 5545, 6174, 6615, 6654, 6860, 7763, 8820, 9261, 9981, 10290, 11090, 12348, 13230, 13308, 15435, 15526, 16635, 18522, 19962, 20580, 22180, 23289, 26460, 29943, 30870, 31052, 33270, 37044, 38815, 39924, 46305, 46578, 49905, 54341, 59886, 61740, 66540, 69867, 77630, 92610, 93156, 99810, 108682, 116445, 119772, 139734, 149715, 155260, 163023, 185220, 199620, 209601, 217364, 232890, 271705, 279468, 299430, 326046, 349335, 380387, 419202, 465780, 489069, 543410, 598860, 652092, 698670, 760774, 815115, 838404, 978138, 1048005, 1086820, 1141161, 1397340, 1467207, 1521548, 1630230, 1901935, 1956276, 2096010, 2282322, 2445345, 2934414, 3260460, 3423483, 3803870, 4192020, 4564644, 4890690, 5705805, 5868828, 6846966, 7336035, 7607740, 9781380, 10270449, 11411610, 13693932, 14672070, 17117415, 20540898, 22823220, 29344140, 34234830, 41081796, 51352245, 68469660, 102704490, 205408980]

約数ペア:

[(1, 205408980), (2, 102704490), (3, 68469660), (4, 51352245), (5, 41081796), (6, 34234830), (7, 29344140), (9, 22823220), (10, 20540898), (12, 17117415), (14, 14672070), (15, 13693932), (18, 11411610), (20, 10270449), (21, 9781380), (27, 7607740), (28, 7336035), (30, 6846966), (35, 5868828), (36, 5705805), (42, 4890690), (45, 4564644), (49, 4192020), (54, 3803870), (60, 3423483), (63, 3260460), (70, 2934414), (84, 2445345), (90, 2282322), (98, 2096010), (105, 1956276), (108, 1901935), (126, 1630230), (135, 1521548), (140, 1467207), (147, 1397340), (180, 1141161), (189, 1086820), (196, 1048005), (210, 978138), (245, 838404), (252, 815115), (270, 760774), (294, 698670), (315, 652092), (343, 598860), (378, 543410), (420, 489069), (441, 465780), (490, 419202), (540, 380387), (588, 349335), (630, 326046), (686, 299430), (735, 279468), (756, 271705), (882, 232890), (945, 217364), (980, 209601), (1029, 199620), (1109, 185220), (1260, 163023), (1323, 155260), (1372, 149715), (1470, 139734), (1715, 119772), (1764, 116445), (1890, 108682), (2058, 99810), (2205, 93156), (2218, 92610), (2646, 77630), (2940, 69867), (3087, 66540), (3327, 61740), (3430, 59886), (3780, 54341), (4116, 49905), (4410, 46578), (4436, 46305), (5145, 39924), (5292, 38815), (5545, 37044), (6174, 33270), (6615, 31052), (6654, 30870), (6860, 29943), (7763, 26460), (8820, 23289), (9261, 22180), (9981, 20580), (10290, 19962), (11090, 18522), (12348, 16635), (13230, 15526), (13308, 15435)]