1855745640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{11689}}^1$

素因数の和:11726

約数の個数: 240

約数和(自身を含む): 7256333700

約数和(自身を除く): 5400588060

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3240, 3528, 3780, 3969, 4410, 4536, 5292, 5670, 5880, 6615, 7560, 7938, 8820, 10584, 11340, 11689, 13230, 15876, 17640, 19845, 22680, 23378, 26460, 31752, 35067, 39690, 46756, 52920, 58445, 70134, 79380, 81823, 93512, 105201, 116890, 140268, 158760, 163646, 175335, 210402, 233780, 245469, 280536, 315603, 327292, 350670, 409115, 420804, 467560, 490938, 526005, 572761, 631206, 654584, 701340, 736407, 818230, 841608, 946809, 981876, 1052010, 1145522, 1227345, 1262412, 1402680, 1472814, 1578015, 1636460, 1718283, 1893618, 1963752, 2104020, 2209221, 2291044, 2454690, 2524824, 2863805, 2945628, 3156030, 3272920, 3436566, 3682035, 3787236, 4208040, 4418442, 4582088, 4734045, 4909380, 5154849, 5727610, 5891256, 6312060, 6627663, 6873132, 7364070, 7574472, 8591415, 8836884, 9468090, 9818760, 10309698, 11046105, 11455220, 12624120, 13255326, 13746264, 14728140, 15464547, 17182830, 17673768, 18936180, 20619396, 22092210, 22910440, 25774245, 26510652, 29456280, 30929094, 33138315, 34365660, 37872360, 41238792, 44184420, 46393641, 51548490, 53021304, 61858188, 66276630, 68731320, 77322735, 88368840, 92787282, 103096980, 123716376, 132553260, 154645470, 185574564, 206193960, 231968205, 265106520, 309290940, 371149128, 463936410, 618581880, 927872820, 1855745640]

約数ペア:

[(1, 1855745640), (2, 927872820), (3, 618581880), (4, 463936410), (5, 371149128), (6, 309290940), (7, 265106520), (8, 231968205), (9, 206193960), (10, 185574564), (12, 154645470), (14, 132553260), (15, 123716376), (18, 103096980), (20, 92787282), (21, 88368840), (24, 77322735), (27, 68731320), (28, 66276630), (30, 61858188), (35, 53021304), (36, 51548490), (40, 46393641), (42, 44184420), (45, 41238792), (49, 37872360), (54, 34365660), (56, 33138315), (60, 30929094), (63, 29456280), (70, 26510652), (72, 25774245), (81, 22910440), (84, 22092210), (90, 20619396), (98, 18936180), (105, 17673768), (108, 17182830), (120, 15464547), (126, 14728140), (135, 13746264), (140, 13255326), (147, 12624120), (162, 11455220), (168, 11046105), (180, 10309698), (189, 9818760), (196, 9468090), (210, 8836884), (216, 8591415), (245, 7574472), (252, 7364070), (270, 6873132), (280, 6627663), (294, 6312060), (315, 5891256), (324, 5727610), (360, 5154849), (378, 4909380), (392, 4734045), (405, 4582088), (420, 4418442), (441, 4208040), (490, 3787236), (504, 3682035), (540, 3436566), (567, 3272920), (588, 3156030), (630, 2945628), (648, 2863805), (735, 2524824), (756, 2454690), (810, 2291044), (840, 2209221), (882, 2104020), (945, 1963752), (980, 1893618), (1080, 1718283), (1134, 1636460), (1176, 1578015), (1260, 1472814), (1323, 1402680), (1470, 1262412), (1512, 1227345), (1620, 1145522), (1764, 1052010), (1890, 981876), (1960, 946809), (2205, 841608), (2268, 818230), (2520, 736407), (2646, 701340), (2835, 654584), (2940, 631206), (3240, 572761), (3528, 526005), (3780, 490938), (3969, 467560), (4410, 420804), (4536, 409115), (5292, 350670), (5670, 327292), (5880, 315603), (6615, 280536), (7560, 245469), (7938, 233780), (8820, 210402), (10584, 175335), (11340, 163646), (11689, 158760), (13230, 140268), (15876, 116890), (17640, 105201), (19845, 93512), (22680, 81823), (23378, 79380), (26460, 70134), (31752, 58445), (35067, 52920), (39690, 46756)]