1976698880

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:550

約数の個数: 192

約数和(自身を含む): 5283532800

約数和(自身を除く): 3306833920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 479, 496, 512, 520, 620, 640, 806, 832, 958, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1916, 1984, 2015, 2048, 2080, 2395, 2480, 2560, 3224, 3328, 3832, 3968, 4030, 4160, 4790, 4960, 5120, 6227, 6448, 6656, 7664, 7936, 8060, 8320, 9580, 9920, 10240, 12454, 12896, 13312, 14849, 15328, 15872, 16120, 16640, 19160, 19840, 24908, 25792, 26624, 29698, 30656, 31135, 31744, 32240, 33280, 38320, 39680, 49816, 51584, 59396, 61312, 62270, 63488, 64480, 66560, 74245, 76640, 79360, 99632, 103168, 118792, 122624, 124540, 128960, 133120, 148490, 153280, 158720, 193037, 199264, 206336, 237584, 245248, 249080, 257920, 296980, 306560, 317440, 386074, 398528, 412672, 475168, 490496, 498160, 515840, 593960, 613120, 772148, 797056, 825344, 950336, 965185, 980992, 996320, 1031680, 1187920, 1226240, 1544296, 1594112, 1900672, 1930370, 1992640, 2063360, 2375840, 2452480, 3088592, 3188224, 3801344, 3860740, 3985280, 4126720, 4751680, 4904960, 6177184, 6376448, 7602688, 7721480, 7970560, 9503360, 12354368, 12752896, 15205376, 15442960, 15941120, 19006720, 24708736, 30410752, 30885920, 31882240, 38013440, 49417472, 61771840, 63764480, 76026880, 98834944, 123543680, 152053760, 197669888, 247087360, 395339776, 494174720, 988349440, 1976698880]

約数ペア:

[(1, 1976698880), (2, 988349440), (4, 494174720), (5, 395339776), (8, 247087360), (10, 197669888), (13, 152053760), (16, 123543680), (20, 98834944), (26, 76026880), (31, 63764480), (32, 61771840), (40, 49417472), (52, 38013440), (62, 31882240), (64, 30885920), (65, 30410752), (80, 24708736), (104, 19006720), (124, 15941120), (128, 15442960), (130, 15205376), (155, 12752896), (160, 12354368), (208, 9503360), (248, 7970560), (256, 7721480), (260, 7602688), (310, 6376448), (320, 6177184), (403, 4904960), (416, 4751680), (479, 4126720), (496, 3985280), (512, 3860740), (520, 3801344), (620, 3188224), (640, 3088592), (806, 2452480), (832, 2375840), (958, 2063360), (992, 1992640), (1024, 1930370), (1040, 1900672), (1240, 1594112), (1280, 1544296), (1612, 1226240), (1664, 1187920), (1916, 1031680), (1984, 996320), (2015, 980992), (2048, 965185), (2080, 950336), (2395, 825344), (2480, 797056), (2560, 772148), (3224, 613120), (3328, 593960), (3832, 515840), (3968, 498160), (4030, 490496), (4160, 475168), (4790, 412672), (4960, 398528), (5120, 386074), (6227, 317440), (6448, 306560), (6656, 296980), (7664, 257920), (7936, 249080), (8060, 245248), (8320, 237584), (9580, 206336), (9920, 199264), (10240, 193037), (12454, 158720), (12896, 153280), (13312, 148490), (14849, 133120), (15328, 128960), (15872, 124540), (16120, 122624), (16640, 118792), (19160, 103168), (19840, 99632), (24908, 79360), (25792, 76640), (26624, 74245), (29698, 66560), (30656, 64480), (31135, 63488), (31744, 62270), (32240, 61312), (33280, 59396), (38320, 51584), (39680, 49816)]