81869880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29663}}^1$

素因数の和:29700

約数の個数: 64

約数和(自身を含む): 256296960

約数和(自身を除く): 174427080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29663, 59326, 88989, 118652, 148315, 177978, 237304, 296630, 355956, 444945, 593260, 682249, 711912, 889890, 1186520, 1364498, 1779780, 2046747, 2728996, 3411245, 3559560, 4093494, 5457992, 6822490, 8186988, 10233735, 13644980, 16373976, 20467470, 27289960, 40934940, 81869880]

約数ペア:

[(1, 81869880), (2, 40934940), (3, 27289960), (4, 20467470), (5, 16373976), (6, 13644980), (8, 10233735), (10, 8186988), (12, 6822490), (15, 5457992), (20, 4093494), (23, 3559560), (24, 3411245), (30, 2728996), (40, 2046747), (46, 1779780), (60, 1364498), (69, 1186520), (92, 889890), (115, 711912), (120, 682249), (138, 593260), (184, 444945), (230, 355956), (276, 296630), (345, 237304), (460, 177978), (552, 148315), (690, 118652), (920, 88989), (1380, 59326), (2760, 29663)]