80876640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{997}}^1$

素因数の和:1041

約数の個数: 144

約数和(自身を含む): 276142608

約数和(自身を除く): 195265968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 845, 997, 1014, 1040, 1248, 1352, 1560, 1690, 1994, 2028, 2080, 2535, 2704, 2991, 3120, 3380, 3988, 4056, 4985, 5070, 5408, 5982, 6240, 6760, 7976, 8112, 9970, 10140, 11964, 12961, 13520, 14955, 15952, 16224, 19940, 20280, 23928, 25922, 27040, 29910, 31904, 38883, 39880, 40560, 47856, 51844, 59820, 64805, 77766, 79760, 81120, 95712, 103688, 119640, 129610, 155532, 159520, 168493, 194415, 207376, 239280, 259220, 311064, 336986, 388830, 414752, 478560, 505479, 518440, 622128, 673972, 777660, 842465, 1010958, 1036880, 1244256, 1347944, 1555320, 1684930, 2021916, 2073760, 2527395, 2695888, 3110640, 3369860, 4043832, 5054790, 5391776, 6221280, 6739720, 8087664, 10109580, 13479440, 16175328, 20219160, 26958880, 40438320, 80876640]

約数ペア:

[(1, 80876640), (2, 40438320), (3, 26958880), (4, 20219160), (5, 16175328), (6, 13479440), (8, 10109580), (10, 8087664), (12, 6739720), (13, 6221280), (15, 5391776), (16, 5054790), (20, 4043832), (24, 3369860), (26, 3110640), (30, 2695888), (32, 2527395), (39, 2073760), (40, 2021916), (48, 1684930), (52, 1555320), (60, 1347944), (65, 1244256), (78, 1036880), (80, 1010958), (96, 842465), (104, 777660), (120, 673972), (130, 622128), (156, 518440), (160, 505479), (169, 478560), (195, 414752), (208, 388830), (240, 336986), (260, 311064), (312, 259220), (338, 239280), (390, 207376), (416, 194415), (480, 168493), (507, 159520), (520, 155532), (624, 129610), (676, 119640), (780, 103688), (845, 95712), (997, 81120), (1014, 79760), (1040, 77766), (1248, 64805), (1352, 59820), (1560, 51844), (1690, 47856), (1994, 40560), (2028, 39880), (2080, 38883), (2535, 31904), (2704, 29910), (2991, 27040), (3120, 25922), (3380, 23928), (3988, 20280), (4056, 19940), (4985, 16224), (5070, 15952), (5408, 14955), (5982, 13520), (6240, 12961), (6760, 11964), (7976, 10140), (8112, 9970)]