65519820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{121333}}^1$

素因数の和:121351

約数の個数: 48

約数和(自身を含む): 203841120

約数和(自身を除く): 138321300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 121333, 242666, 363999, 485332, 606665, 727998, 1091997, 1213330, 1455996, 1819995, 2183994, 2426660, 3275991, 3639990, 4367988, 5459985, 6551982, 7279980, 10919970, 13103964, 16379955, 21839940, 32759910, 65519820]

約数ペア:

[(1, 65519820), (2, 32759910), (3, 21839940), (4, 16379955), (5, 13103964), (6, 10919970), (9, 7279980), (10, 6551982), (12, 5459985), (15, 4367988), (18, 3639990), (20, 3275991), (27, 2426660), (30, 2183994), (36, 1819995), (45, 1455996), (54, 1213330), (60, 1091997), (90, 727998), (108, 606665), (135, 485332), (180, 363999), (270, 242666), (540, 121333)]