27870180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35731}}^1$

素因数の和:35756

約数の個数: 48

約数和(自身を含む): 84041664

約数和(自身を除く): 56171484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 35731, 71462, 107193, 142924, 178655, 214386, 357310, 428772, 464503, 535965, 714620, 929006, 1071930, 1393509, 1858012, 2143860, 2322515, 2787018, 4645030, 5574036, 6967545, 9290060, 13935090, 27870180]

約数ペア:

[(1, 27870180), (2, 13935090), (3, 9290060), (4, 6967545), (5, 5574036), (6, 4645030), (10, 2787018), (12, 2322515), (13, 2143860), (15, 1858012), (20, 1393509), (26, 1071930), (30, 929006), (39, 714620), (52, 535965), (60, 464503), (65, 428772), (78, 357310), (130, 214386), (156, 178655), (195, 142924), (260, 107193), (390, 71462), (780, 35731)]