165945920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3221}}^1$

素因数の和:3268

約数の個数: 112

約数和(自身を含む): 471391488

約数和(自身を除く): 305445568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 644, 736, 805, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 3220, 3221, 3680, 5152, 6440, 6442, 7360, 10304, 12880, 12884, 16105, 22547, 25760, 25768, 32210, 45094, 51520, 51536, 64420, 74083, 90188, 103072, 112735, 128840, 148166, 180376, 206144, 225470, 257680, 296332, 360752, 370415, 450940, 515360, 518581, 592664, 721504, 740830, 901880, 1030720, 1037162, 1185328, 1443008, 1481660, 1803760, 2074324, 2370656, 2592905, 2963320, 3607520, 4148648, 4741312, 5185810, 5926640, 7215040, 8297296, 10371620, 11853280, 16594592, 20743240, 23706560, 33189184, 41486480, 82972960, 165945920]

約数ペア:

[(1, 165945920), (2, 82972960), (4, 41486480), (5, 33189184), (7, 23706560), (8, 20743240), (10, 16594592), (14, 11853280), (16, 10371620), (20, 8297296), (23, 7215040), (28, 5926640), (32, 5185810), (35, 4741312), (40, 4148648), (46, 3607520), (56, 2963320), (64, 2592905), (70, 2370656), (80, 2074324), (92, 1803760), (112, 1481660), (115, 1443008), (140, 1185328), (160, 1037162), (161, 1030720), (184, 901880), (224, 740830), (230, 721504), (280, 592664), (320, 518581), (322, 515360), (368, 450940), (448, 370415), (460, 360752), (560, 296332), (644, 257680), (736, 225470), (805, 206144), (920, 180376), (1120, 148166), (1288, 128840), (1472, 112735), (1610, 103072), (1840, 90188), (2240, 74083), (2576, 64420), (3220, 51536), (3221, 51520), (3680, 45094), (5152, 32210), (6440, 25768), (6442, 25760), (7360, 22547), (10304, 16105), (12880, 12884)]