248626980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{4027}}^1$

素因数の和:4063

約数の個数: 144

約数和(自身を含む): 879715200

約数和(自身を除く): 631088220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2940, 3087, 3430, 4027, 4116, 4410, 5145, 6174, 6860, 8054, 8820, 10290, 12081, 12348, 15435, 16108, 20135, 20580, 24162, 28189, 30870, 36243, 40270, 48324, 56378, 60405, 61740, 72486, 80540, 84567, 112756, 120810, 140945, 144972, 169134, 181215, 197323, 241620, 253701, 281890, 338268, 362430, 394646, 422835, 507402, 563780, 591969, 724860, 789292, 845670, 986615, 1014804, 1183938, 1268505, 1381261, 1691340, 1775907, 1973230, 2367876, 2537010, 2762522, 2959845, 3551814, 3946460, 4143783, 5074020, 5525044, 5919690, 6906305, 7103628, 8287566, 8879535, 11839380, 12431349, 13812610, 16575132, 17759070, 20718915, 24862698, 27625220, 35518140, 41437830, 49725396, 62156745, 82875660, 124313490, 248626980]

約数ペア:

[(1, 248626980), (2, 124313490), (3, 82875660), (4, 62156745), (5, 49725396), (6, 41437830), (7, 35518140), (9, 27625220), (10, 24862698), (12, 20718915), (14, 17759070), (15, 16575132), (18, 13812610), (20, 12431349), (21, 11839380), (28, 8879535), (30, 8287566), (35, 7103628), (36, 6906305), (42, 5919690), (45, 5525044), (49, 5074020), (60, 4143783), (63, 3946460), (70, 3551814), (84, 2959845), (90, 2762522), (98, 2537010), (105, 2367876), (126, 1973230), (140, 1775907), (147, 1691340), (180, 1381261), (196, 1268505), (210, 1183938), (245, 1014804), (252, 986615), (294, 845670), (315, 789292), (343, 724860), (420, 591969), (441, 563780), (490, 507402), (588, 422835), (630, 394646), (686, 362430), (735, 338268), (882, 281890), (980, 253701), (1029, 241620), (1260, 197323), (1372, 181215), (1470, 169134), (1715, 144972), (1764, 140945), (2058, 120810), (2205, 112756), (2940, 84567), (3087, 80540), (3430, 72486), (4027, 61740), (4116, 60405), (4410, 56378), (5145, 48324), (6174, 40270), (6860, 36243), (8054, 30870), (8820, 28189), (10290, 24162), (12081, 20580), (12348, 20135), (15435, 16108)]