1782880680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{9781}}^1$

素因数の和:9840

約数の個数: 192

約数和(自身を含む): 6423252480

約数和(自身を除く): 4640371800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 49, 56, 60, 62, 70, 84, 93, 98, 105, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 245, 248, 280, 294, 310, 372, 392, 420, 434, 465, 490, 588, 620, 651, 735, 744, 840, 868, 930, 980, 1085, 1176, 1240, 1302, 1470, 1519, 1736, 1860, 1960, 2170, 2604, 2940, 3038, 3255, 3720, 4340, 4557, 5208, 5880, 6076, 6510, 7595, 8680, 9114, 9781, 12152, 13020, 15190, 18228, 19562, 22785, 26040, 29343, 30380, 36456, 39124, 45570, 48905, 58686, 60760, 68467, 78248, 91140, 97810, 117372, 136934, 146715, 182280, 195620, 205401, 234744, 273868, 293430, 303211, 342335, 391240, 410802, 479269, 547736, 586860, 606422, 684670, 821604, 909633, 958538, 1027005, 1173720, 1212844, 1369340, 1437807, 1516055, 1643208, 1819266, 1917076, 2054010, 2122477, 2396345, 2425688, 2738680, 2875614, 3032110, 3638532, 3834152, 4108020, 4244954, 4548165, 4792690, 5751228, 6064220, 6367431, 7189035, 7277064, 8216040, 8489908, 9096330, 9585380, 10612385, 11502456, 12128440, 12734862, 14378070, 14857339, 16979816, 18192660, 19170760, 21224770, 25469724, 28756140, 29714678, 31837155, 36385320, 42449540, 44572017, 50939448, 57512280, 59429356, 63674310, 74286695, 84899080, 89144034, 118858712, 127348620, 148573390, 178288068, 222860085, 254697240, 297146780, 356576136, 445720170, 594293560, 891440340, 1782880680]

約数ペア:

[(1, 1782880680), (2, 891440340), (3, 594293560), (4, 445720170), (5, 356576136), (6, 297146780), (7, 254697240), (8, 222860085), (10, 178288068), (12, 148573390), (14, 127348620), (15, 118858712), (20, 89144034), (21, 84899080), (24, 74286695), (28, 63674310), (30, 59429356), (31, 57512280), (35, 50939448), (40, 44572017), (42, 42449540), (49, 36385320), (56, 31837155), (60, 29714678), (62, 28756140), (70, 25469724), (84, 21224770), (93, 19170760), (98, 18192660), (105, 16979816), (120, 14857339), (124, 14378070), (140, 12734862), (147, 12128440), (155, 11502456), (168, 10612385), (186, 9585380), (196, 9096330), (210, 8489908), (217, 8216040), (245, 7277064), (248, 7189035), (280, 6367431), (294, 6064220), (310, 5751228), (372, 4792690), (392, 4548165), (420, 4244954), (434, 4108020), (465, 3834152), (490, 3638532), (588, 3032110), (620, 2875614), (651, 2738680), (735, 2425688), (744, 2396345), (840, 2122477), (868, 2054010), (930, 1917076), (980, 1819266), (1085, 1643208), (1176, 1516055), (1240, 1437807), (1302, 1369340), (1470, 1212844), (1519, 1173720), (1736, 1027005), (1860, 958538), (1960, 909633), (2170, 821604), (2604, 684670), (2940, 606422), (3038, 586860), (3255, 547736), (3720, 479269), (4340, 410802), (4557, 391240), (5208, 342335), (5880, 303211), (6076, 293430), (6510, 273868), (7595, 234744), (8680, 205401), (9114, 195620), (9781, 182280), (12152, 146715), (13020, 136934), (15190, 117372), (18228, 97810), (19562, 91140), (22785, 78248), (26040, 68467), (29343, 60760), (30380, 58686), (36456, 48905), (39124, 45570)]