81080910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{601}}^1\times {\mathrm{1499}}^1$

素因数の和:2113

約数の個数: 48

約数和(自身を含む): 211302000

約数和(自身を除く): 130221090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 601, 1202, 1499, 1803, 2998, 3005, 3606, 4497, 5409, 6010, 7495, 8994, 9015, 10818, 13491, 14990, 18030, 22485, 26982, 27045, 44970, 54090, 67455, 134910, 900899, 1801798, 2702697, 4504495, 5405394, 8108091, 9008990, 13513485, 16216182, 27026970, 40540455, 81080910]

約数ペア:

[(1, 81080910), (2, 40540455), (3, 27026970), (5, 16216182), (6, 13513485), (9, 9008990), (10, 8108091), (15, 5405394), (18, 4504495), (30, 2702697), (45, 1801798), (90, 900899), (601, 134910), (1202, 67455), (1499, 54090), (1803, 44970), (2998, 27045), (3005, 26982), (3606, 22485), (4497, 18030), (5409, 14990), (6010, 13491), (7495, 10818), (8994, 9015)]