205472400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:490

約数の個数: 240

約数和(自身を含む): 766462848

約数和(自身を除く): 560990448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 61, 70, 75, 80, 84, 100, 105, 112, 120, 122, 140, 150, 168, 175, 183, 200, 210, 240, 244, 280, 300, 305, 336, 350, 366, 400, 401, 420, 427, 488, 525, 560, 600, 610, 700, 732, 802, 840, 854, 915, 976, 1050, 1200, 1203, 1220, 1281, 1400, 1464, 1525, 1604, 1680, 1708, 1830, 2005, 2100, 2135, 2406, 2440, 2562, 2800, 2807, 2928, 3050, 3208, 3416, 3660, 4010, 4200, 4270, 4575, 4812, 4880, 5124, 5614, 6015, 6100, 6405, 6416, 6832, 7320, 8020, 8400, 8421, 8540, 9150, 9624, 10025, 10248, 10675, 11228, 12030, 12200, 12810, 14035, 14640, 16040, 16842, 17080, 18300, 19248, 20050, 20496, 21350, 22456, 24060, 24400, 24461, 25620, 28070, 30075, 32025, 32080, 33684, 34160, 36600, 40100, 42105, 42700, 44912, 48120, 48922, 51240, 56140, 60150, 64050, 67368, 70175, 73200, 73383, 80200, 84210, 85400, 96240, 97844, 102480, 112280, 120300, 122305, 128100, 134736, 140350, 146766, 160400, 168420, 170800, 171227, 195688, 210525, 224560, 240600, 244610, 256200, 280700, 293532, 336840, 342454, 366915, 391376, 421050, 481200, 489220, 512400, 513681, 561400, 587064, 611525, 673680, 684908, 733830, 842100, 856135, 978440, 1027362, 1122800, 1174128, 1223050, 1369816, 1467660, 1684200, 1712270, 1834575, 1956880, 2054724, 2446100, 2568405, 2739632, 2935320, 3368400, 3424540, 3669150, 4109448, 4280675, 4892200, 5136810, 5870640, 6849080, 7338300, 8218896, 8561350, 9784400, 10273620, 12842025, 13698160, 14676600, 17122700, 20547240, 25684050, 29353200, 34245400, 41094480, 51368100, 68490800, 102736200, 205472400]

約数ペア:

[(1, 205472400), (2, 102736200), (3, 68490800), (4, 51368100), (5, 41094480), (6, 34245400), (7, 29353200), (8, 25684050), (10, 20547240), (12, 17122700), (14, 14676600), (15, 13698160), (16, 12842025), (20, 10273620), (21, 9784400), (24, 8561350), (25, 8218896), (28, 7338300), (30, 6849080), (35, 5870640), (40, 5136810), (42, 4892200), (48, 4280675), (50, 4109448), (56, 3669150), (60, 3424540), (61, 3368400), (70, 2935320), (75, 2739632), (80, 2568405), (84, 2446100), (100, 2054724), (105, 1956880), (112, 1834575), (120, 1712270), (122, 1684200), (140, 1467660), (150, 1369816), (168, 1223050), (175, 1174128), (183, 1122800), (200, 1027362), (210, 978440), (240, 856135), (244, 842100), (280, 733830), (300, 684908), (305, 673680), (336, 611525), (350, 587064), (366, 561400), (400, 513681), (401, 512400), (420, 489220), (427, 481200), (488, 421050), (525, 391376), (560, 366915), (600, 342454), (610, 336840), (700, 293532), (732, 280700), (802, 256200), (840, 244610), (854, 240600), (915, 224560), (976, 210525), (1050, 195688), (1200, 171227), (1203, 170800), (1220, 168420), (1281, 160400), (1400, 146766), (1464, 140350), (1525, 134736), (1604, 128100), (1680, 122305), (1708, 120300), (1830, 112280), (2005, 102480), (2100, 97844), (2135, 96240), (2406, 85400), (2440, 84210), (2562, 80200), (2800, 73383), (2807, 73200), (2928, 70175), (3050, 67368), (3208, 64050), (3416, 60150), (3660, 56140), (4010, 51240), (4200, 48922), (4270, 48120), (4575, 44912), (4812, 42700), (4880, 42105), (5124, 40100), (5614, 36600), (6015, 34160), (6100, 33684), (6405, 32080), (6416, 32025), (6832, 30075), (7320, 28070), (8020, 25620), (8400, 24461), (8421, 24400), (8540, 24060), (9150, 22456), (9624, 21350), (10025, 20496), (10248, 20050), (10675, 19248), (11228, 18300), (12030, 17080), (12200, 16842), (12810, 16040), (14035, 14640)]