127813860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1423}}^1$

素因数の和:1937

約数の個数: 72

約数和(自身を含む): 388752000

約数和(自身を除く): 260938140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 499, 998, 1423, 1497, 1996, 2495, 2846, 2994, 4269, 4491, 4990, 5692, 5988, 7115, 7485, 8538, 8982, 9980, 12807, 14230, 14970, 17076, 17964, 21345, 22455, 25614, 28460, 29940, 42690, 44910, 51228, 64035, 85380, 89820, 128070, 256140, 710077, 1420154, 2130231, 2840308, 3550385, 4260462, 6390693, 7100770, 8520924, 10651155, 12781386, 14201540, 21302310, 25562772, 31953465, 42604620, 63906930, 127813860]

約数ペア:

[(1, 127813860), (2, 63906930), (3, 42604620), (4, 31953465), (5, 25562772), (6, 21302310), (9, 14201540), (10, 12781386), (12, 10651155), (15, 8520924), (18, 7100770), (20, 6390693), (30, 4260462), (36, 3550385), (45, 2840308), (60, 2130231), (90, 1420154), (180, 710077), (499, 256140), (998, 128070), (1423, 89820), (1497, 85380), (1996, 64035), (2495, 51228), (2846, 44910), (2994, 42690), (4269, 29940), (4491, 28460), (4990, 25614), (5692, 22455), (5988, 21345), (7115, 17964), (7485, 17076), (8538, 14970), (8982, 14230), (9980, 12807)]