2495440480

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:314

約数の個数: 192

約数和(自身を含む): 6621350400

約数和(自身を除く): 4125909920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 169, 208, 229, 248, 260, 310, 338, 403, 416, 458, 496, 520, 620, 676, 806, 845, 916, 992, 1040, 1145, 1240, 1352, 1612, 1690, 1832, 2015, 2080, 2197, 2290, 2480, 2704, 2977, 3224, 3380, 3664, 4030, 4394, 4580, 4960, 5239, 5408, 5954, 6448, 6760, 7099, 7328, 8060, 8788, 9160, 10478, 10985, 11908, 12896, 13520, 14198, 14885, 16120, 17576, 18320, 20956, 21970, 23816, 26195, 27040, 28396, 29770, 32240, 35152, 35495, 36640, 38701, 41912, 43940, 47632, 52390, 56792, 59540, 64480, 68107, 70304, 70990, 77402, 83824, 87880, 92287, 95264, 104780, 113584, 119080, 136214, 141980, 154804, 167648, 175760, 184574, 193505, 209560, 227168, 238160, 272428, 283960, 309608, 340535, 351520, 369148, 387010, 419120, 461435, 476320, 503113, 544856, 567920, 619216, 681070, 738296, 774020, 838240, 922870, 1006226, 1089712, 1135840, 1199731, 1238432, 1362140, 1476592, 1548040, 1845740, 2012452, 2179424, 2399462, 2515565, 2724280, 2953184, 3096080, 3691480, 4024904, 4798924, 5031130, 5448560, 5998655, 6192160, 7382960, 8049808, 9597848, 10062260, 10897120, 11997310, 14765920, 15596503, 16099616, 19195696, 20124520, 23994620, 31193006, 38391392, 40249040, 47989240, 62386012, 77982515, 80498080, 95978480, 124772024, 155965030, 191956960, 249544048, 311930060, 499088096, 623860120, 1247720240, 2495440480]

約数ペア:

[(1, 2495440480), (2, 1247720240), (4, 623860120), (5, 499088096), (8, 311930060), (10, 249544048), (13, 191956960), (16, 155965030), (20, 124772024), (26, 95978480), (31, 80498080), (32, 77982515), (40, 62386012), (52, 47989240), (62, 40249040), (65, 38391392), (80, 31193006), (104, 23994620), (124, 20124520), (130, 19195696), (155, 16099616), (160, 15596503), (169, 14765920), (208, 11997310), (229, 10897120), (248, 10062260), (260, 9597848), (310, 8049808), (338, 7382960), (403, 6192160), (416, 5998655), (458, 5448560), (496, 5031130), (520, 4798924), (620, 4024904), (676, 3691480), (806, 3096080), (845, 2953184), (916, 2724280), (992, 2515565), (1040, 2399462), (1145, 2179424), (1240, 2012452), (1352, 1845740), (1612, 1548040), (1690, 1476592), (1832, 1362140), (2015, 1238432), (2080, 1199731), (2197, 1135840), (2290, 1089712), (2480, 1006226), (2704, 922870), (2977, 838240), (3224, 774020), (3380, 738296), (3664, 681070), (4030, 619216), (4394, 567920), (4580, 544856), (4960, 503113), (5239, 476320), (5408, 461435), (5954, 419120), (6448, 387010), (6760, 369148), (7099, 351520), (7328, 340535), (8060, 309608), (8788, 283960), (9160, 272428), (10478, 238160), (10985, 227168), (11908, 209560), (12896, 193505), (13520, 184574), (14198, 175760), (14885, 167648), (16120, 154804), (17576, 141980), (18320, 136214), (20956, 119080), (21970, 113584), (23816, 104780), (26195, 95264), (27040, 92287), (28396, 87880), (29770, 83824), (32240, 77402), (35152, 70990), (35495, 70304), (36640, 68107), (38701, 64480), (41912, 59540), (43940, 56792), (47632, 52390)]