261071640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4561}}^1$

素因数の和:4634

約数の個数: 128

約数和(自身を含む): 886852800

約数和(自身を除く): 625781160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 360, 424, 477, 530, 540, 636, 795, 954, 1060, 1080, 1272, 1431, 1590, 1908, 2120, 2385, 2862, 3180, 3816, 4561, 4770, 5724, 6360, 7155, 9122, 9540, 11448, 13683, 14310, 18244, 19080, 22805, 27366, 28620, 36488, 41049, 45610, 54732, 57240, 68415, 82098, 91220, 109464, 123147, 136830, 164196, 182440, 205245, 241733, 246294, 273660, 328392, 410490, 483466, 492588, 547320, 615735, 725199, 820980, 966932, 985176, 1208665, 1231470, 1450398, 1641960, 1933864, 2175597, 2417330, 2462940, 2900796, 3625995, 4351194, 4834660, 4925880, 5801592, 6526791, 7251990, 8702388, 9669320, 10877985, 13053582, 14503980, 17404776, 21755970, 26107164, 29007960, 32633955, 43511940, 52214328, 65267910, 87023880, 130535820, 261071640]

約数ペア:

[(1, 261071640), (2, 130535820), (3, 87023880), (4, 65267910), (5, 52214328), (6, 43511940), (8, 32633955), (9, 29007960), (10, 26107164), (12, 21755970), (15, 17404776), (18, 14503980), (20, 13053582), (24, 10877985), (27, 9669320), (30, 8702388), (36, 7251990), (40, 6526791), (45, 5801592), (53, 4925880), (54, 4834660), (60, 4351194), (72, 3625995), (90, 2900796), (106, 2462940), (108, 2417330), (120, 2175597), (135, 1933864), (159, 1641960), (180, 1450398), (212, 1231470), (216, 1208665), (265, 985176), (270, 966932), (318, 820980), (360, 725199), (424, 615735), (477, 547320), (530, 492588), (540, 483466), (636, 410490), (795, 328392), (954, 273660), (1060, 246294), (1080, 241733), (1272, 205245), (1431, 182440), (1590, 164196), (1908, 136830), (2120, 123147), (2385, 109464), (2862, 91220), (3180, 82098), (3816, 68415), (4561, 57240), (4770, 54732), (5724, 45610), (6360, 41049), (7155, 36488), (9122, 28620), (9540, 27366), (11448, 22805), (13683, 19080), (14310, 18244)]