28811640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 256

約数和(自身を含む): 107412480

約数和(自身を除く): 78600840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 23, 24, 26, 30, 33, 39, 40, 44, 46, 52, 55, 60, 65, 66, 69, 73, 78, 88, 92, 104, 110, 115, 120, 130, 132, 138, 143, 146, 156, 165, 184, 195, 219, 220, 230, 253, 260, 264, 276, 286, 292, 299, 312, 330, 345, 365, 390, 429, 438, 440, 460, 506, 520, 552, 572, 584, 598, 660, 690, 715, 730, 759, 780, 803, 858, 876, 897, 920, 949, 1012, 1095, 1144, 1196, 1265, 1320, 1380, 1430, 1460, 1495, 1518, 1560, 1606, 1679, 1716, 1752, 1794, 1898, 2024, 2145, 2190, 2392, 2409, 2530, 2760, 2847, 2860, 2920, 2990, 3036, 3212, 3289, 3358, 3432, 3588, 3795, 3796, 4015, 4290, 4380, 4485, 4745, 4818, 5037, 5060, 5694, 5720, 5980, 6072, 6424, 6578, 6716, 7176, 7590, 7592, 8030, 8395, 8580, 8760, 8970, 9490, 9636, 9867, 10074, 10120, 10439, 11388, 11960, 12045, 13156, 13432, 14235, 15180, 16060, 16445, 16790, 17160, 17940, 18469, 18980, 19272, 19734, 20148, 20878, 21827, 22776, 24090, 25185, 26312, 28470, 30360, 31317, 32120, 32890, 33580, 35880, 36938, 37960, 39468, 40296, 41756, 43654, 48180, 49335, 50370, 52195, 55407, 56940, 62634, 65481, 65780, 67160, 73876, 78936, 83512, 87308, 92345, 96360, 98670, 100740, 104390, 109135, 110814, 113880, 125268, 130962, 131560, 147752, 156585, 174616, 184690, 197340, 201480, 208780, 218270, 221628, 240097, 250536, 261924, 277035, 313170, 327405, 369380, 394680, 417560, 436540, 443256, 480194, 523848, 554070, 626340, 654810, 720291, 738760, 873080, 960388, 1108140, 1200485, 1252680, 1309620, 1440582, 1920776, 2216280, 2400970, 2619240, 2881164, 3601455, 4801940, 5762328, 7202910, 9603880, 14405820, 28811640]

約数ペア:

[(1, 28811640), (2, 14405820), (3, 9603880), (4, 7202910), (5, 5762328), (6, 4801940), (8, 3601455), (10, 2881164), (11, 2619240), (12, 2400970), (13, 2216280), (15, 1920776), (20, 1440582), (22, 1309620), (23, 1252680), (24, 1200485), (26, 1108140), (30, 960388), (33, 873080), (39, 738760), (40, 720291), (44, 654810), (46, 626340), (52, 554070), (55, 523848), (60, 480194), (65, 443256), (66, 436540), (69, 417560), (73, 394680), (78, 369380), (88, 327405), (92, 313170), (104, 277035), (110, 261924), (115, 250536), (120, 240097), (130, 221628), (132, 218270), (138, 208780), (143, 201480), (146, 197340), (156, 184690), (165, 174616), (184, 156585), (195, 147752), (219, 131560), (220, 130962), (230, 125268), (253, 113880), (260, 110814), (264, 109135), (276, 104390), (286, 100740), (292, 98670), (299, 96360), (312, 92345), (330, 87308), (345, 83512), (365, 78936), (390, 73876), (429, 67160), (438, 65780), (440, 65481), (460, 62634), (506, 56940), (520, 55407), (552, 52195), (572, 50370), (584, 49335), (598, 48180), (660, 43654), (690, 41756), (715, 40296), (730, 39468), (759, 37960), (780, 36938), (803, 35880), (858, 33580), (876, 32890), (897, 32120), (920, 31317), (949, 30360), (1012, 28470), (1095, 26312), (1144, 25185), (1196, 24090), (1265, 22776), (1320, 21827), (1380, 20878), (1430, 20148), (1460, 19734), (1495, 19272), (1518, 18980), (1560, 18469), (1606, 17940), (1679, 17160), (1716, 16790), (1752, 16445), (1794, 16060), (1898, 15180), (2024, 14235), (2145, 13432), (2190, 13156), (2392, 12045), (2409, 11960), (2530, 11388), (2760, 10439), (2847, 10120), (2860, 10074), (2920, 9867), (2990, 9636), (3036, 9490), (3212, 8970), (3289, 8760), (3358, 8580), (3432, 8395), (3588, 8030), (3795, 7592), (3796, 7590), (4015, 7176), (4290, 6716), (4380, 6578), (4485, 6424), (4745, 6072), (4818, 5980), (5037, 5720), (5060, 5694)]