205742880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{20411}}^1$

素因数の和:20439

約数の個数: 144

約数和(自身を含む): 802436544

約数和(自身を除く): 596693664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 20411, 40822, 61233, 81644, 102055, 122466, 142877, 163288, 183699, 204110, 244932, 285754, 306165, 326576, 367398, 408220, 428631, 489864, 571508, 612330, 653152, 714385, 734796, 816440, 857262, 918495, 979728, 1143016, 1224660, 1285893, 1428770, 1469592, 1632880, 1714524, 1836990, 1959456, 2143155, 2286032, 2449320, 2571786, 2857540, 2939184, 3265760, 3429048, 3673980, 4286310, 4572064, 4898640, 5143572, 5715080, 5878368, 6429465, 6858096, 7347960, 8572620, 9797280, 10287144, 11430160, 12858930, 13716192, 14695920, 17145240, 20574288, 22860320, 25717860, 29391840, 34290480, 41148576, 51435720, 68580960, 102871440, 205742880]

約数ペア:

[(1, 205742880), (2, 102871440), (3, 68580960), (4, 51435720), (5, 41148576), (6, 34290480), (7, 29391840), (8, 25717860), (9, 22860320), (10, 20574288), (12, 17145240), (14, 14695920), (15, 13716192), (16, 12858930), (18, 11430160), (20, 10287144), (21, 9797280), (24, 8572620), (28, 7347960), (30, 6858096), (32, 6429465), (35, 5878368), (36, 5715080), (40, 5143572), (42, 4898640), (45, 4572064), (48, 4286310), (56, 3673980), (60, 3429048), (63, 3265760), (70, 2939184), (72, 2857540), (80, 2571786), (84, 2449320), (90, 2286032), (96, 2143155), (105, 1959456), (112, 1836990), (120, 1714524), (126, 1632880), (140, 1469592), (144, 1428770), (160, 1285893), (168, 1224660), (180, 1143016), (210, 979728), (224, 918495), (240, 857262), (252, 816440), (280, 734796), (288, 714385), (315, 653152), (336, 612330), (360, 571508), (420, 489864), (480, 428631), (504, 408220), (560, 367398), (630, 326576), (672, 306165), (720, 285754), (840, 244932), (1008, 204110), (1120, 183699), (1260, 163288), (1440, 142877), (1680, 122466), (2016, 102055), (2520, 81644), (3360, 61233), (5040, 40822), (10080, 20411)]