47820780

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{4217}}^1$

素因数の和:4245

約数の個数: 120

約数和(自身を含む): 171487008

約数和(自身を除く): 123666228

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1620, 1890, 2268, 2835, 3780, 4217, 5670, 8434, 11340, 12651, 16868, 21085, 25302, 29519, 37953, 42170, 50604, 59038, 63255, 75906, 84340, 88557, 113859, 118076, 126510, 147595, 151812, 177114, 189765, 227718, 253020, 265671, 295190, 341577, 354228, 379530, 442785, 455436, 531342, 569295, 590380, 683154, 759060, 797013, 885570, 1062684, 1138590, 1328355, 1366308, 1594026, 1707885, 1771140, 2277180, 2391039, 2656710, 3188052, 3415770, 3985065, 4782078, 5313420, 6831540, 7970130, 9564156, 11955195, 15940260, 23910390, 47820780]

約数ペア:

[(1, 47820780), (2, 23910390), (3, 15940260), (4, 11955195), (5, 9564156), (6, 7970130), (7, 6831540), (9, 5313420), (10, 4782078), (12, 3985065), (14, 3415770), (15, 3188052), (18, 2656710), (20, 2391039), (21, 2277180), (27, 1771140), (28, 1707885), (30, 1594026), (35, 1366308), (36, 1328355), (42, 1138590), (45, 1062684), (54, 885570), (60, 797013), (63, 759060), (70, 683154), (81, 590380), (84, 569295), (90, 531342), (105, 455436), (108, 442785), (126, 379530), (135, 354228), (140, 341577), (162, 295190), (180, 265671), (189, 253020), (210, 227718), (252, 189765), (270, 177114), (315, 151812), (324, 147595), (378, 126510), (405, 118076), (420, 113859), (540, 88557), (567, 84340), (630, 75906), (756, 63255), (810, 59038), (945, 50604), (1134, 42170), (1260, 37953), (1620, 29519), (1890, 25302), (2268, 21085), (2835, 16868), (3780, 12651), (4217, 11340), (5670, 8434)]