256756770

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{20233}}^1$

素因数の和:20296

約数の個数: 64

約数和(自身を含む): 699287040

約数和(自身を除く): 442530270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 2115, 2538, 4230, 6345, 12690, 20233, 40466, 60699, 101165, 121398, 182097, 202330, 303495, 364194, 546291, 606990, 910485, 950951, 1092582, 1820970, 1901902, 2731455, 2852853, 4754755, 5462910, 5705706, 8558559, 9509510, 14264265, 17117118, 25675677, 28528530, 42792795, 51351354, 85585590, 128378385, 256756770]

約数ペア:

[(1, 256756770), (2, 128378385), (3, 85585590), (5, 51351354), (6, 42792795), (9, 28528530), (10, 25675677), (15, 17117118), (18, 14264265), (27, 9509510), (30, 8558559), (45, 5705706), (47, 5462910), (54, 4754755), (90, 2852853), (94, 2731455), (135, 1901902), (141, 1820970), (235, 1092582), (270, 950951), (282, 910485), (423, 606990), (470, 546291), (705, 364194), (846, 303495), (1269, 202330), (1410, 182097), (2115, 121398), (2538, 101165), (4230, 60699), (6345, 40466), (12690, 20233)]