28618980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{36691}}^1$

素因数の和:36716

約数の個数: 48

約数和(自身を含む): 86299584

約数和(自身を除く): 57680604

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, 36691, 73382, 110073, 146764, 183455, 220146, 366910, 440292, 476983, 550365, 733820, 953966, 1100730, 1430949, 1907932, 2201460, 2384915, 2861898, 4769830, 5723796, 7154745, 9539660, 14309490, 28618980]

約数ペア:

[(1, 28618980), (2, 14309490), (3, 9539660), (4, 7154745), (5, 5723796), (6, 4769830), (10, 2861898), (12, 2384915), (13, 2201460), (15, 1907932), (20, 1430949), (26, 1100730), (30, 953966), (39, 733820), (52, 550365), (60, 476983), (65, 440292), (78, 366910), (130, 220146), (156, 183455), (195, 146764), (260, 110073), (390, 73382), (780, 36691)]