80797980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 233049600

約数和(自身を除く): 152251620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 101, 134, 199, 201, 202, 268, 303, 335, 398, 402, 404, 505, 597, 606, 670, 796, 804, 995, 1005, 1010, 1194, 1212, 1340, 1515, 1990, 2010, 2020, 2388, 2985, 3030, 3980, 4020, 5970, 6060, 6767, 11940, 13333, 13534, 20099, 20301, 26666, 27068, 33835, 39999, 40198, 40602, 53332, 60297, 66665, 67670, 79998, 80396, 81204, 100495, 101505, 120594, 133330, 135340, 159996, 199995, 200990, 203010, 241188, 266660, 301485, 399990, 401980, 406020, 602970, 799980, 1205940, 1346633, 2693266, 4039899, 5386532, 6733165, 8079798, 13466330, 16159596, 20199495, 26932660, 40398990, 80797980]

約数ペア:

[(1, 80797980), (2, 40398990), (3, 26932660), (4, 20199495), (5, 16159596), (6, 13466330), (10, 8079798), (12, 6733165), (15, 5386532), (20, 4039899), (30, 2693266), (60, 1346633), (67, 1205940), (101, 799980), (134, 602970), (199, 406020), (201, 401980), (202, 399990), (268, 301485), (303, 266660), (335, 241188), (398, 203010), (402, 200990), (404, 199995), (505, 159996), (597, 135340), (606, 133330), (670, 120594), (796, 101505), (804, 100495), (995, 81204), (1005, 80396), (1010, 79998), (1194, 67670), (1212, 66665), (1340, 60297), (1515, 53332), (1990, 40602), (2010, 40198), (2020, 39999), (2388, 33835), (2985, 27068), (3030, 26666), (3980, 20301), (4020, 20099), (5970, 13534), (6060, 13333), (6767, 11940)]