42082020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{601}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 128189880

約数和(自身を除く): 86107860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 389, 601, 778, 1167, 1202, 1556, 1803, 1945, 2334, 2404, 3005, 3501, 3606, 3890, 4668, 5409, 5835, 6010, 7002, 7212, 7780, 9015, 10818, 11670, 12020, 14004, 17505, 18030, 21636, 23340, 27045, 35010, 36060, 54090, 70020, 108180, 233789, 467578, 701367, 935156, 1168945, 1402734, 2104101, 2337890, 2805468, 3506835, 4208202, 4675780, 7013670, 8416404, 10520505, 14027340, 21041010, 42082020]

約数ペア:

[(1, 42082020), (2, 21041010), (3, 14027340), (4, 10520505), (5, 8416404), (6, 7013670), (9, 4675780), (10, 4208202), (12, 3506835), (15, 2805468), (18, 2337890), (20, 2104101), (30, 1402734), (36, 1168945), (45, 935156), (60, 701367), (90, 467578), (180, 233789), (389, 108180), (601, 70020), (778, 54090), (1167, 36060), (1202, 35010), (1556, 27045), (1803, 23340), (1945, 21636), (2334, 18030), (2404, 17505), (3005, 14004), (3501, 12020), (3606, 11670), (3890, 10818), (4668, 9015), (5409, 7780), (5835, 7212), (6010, 7002)]