221445840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:578

約数の個数: 320

約数和(自身を含む): 894799872

約数和(自身を除く): 673354032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 23, 24, 28, 30, 33, 35, 40, 42, 44, 46, 48, 55, 56, 60, 66, 69, 70, 77, 80, 84, 88, 92, 105, 110, 112, 115, 120, 132, 138, 140, 154, 161, 165, 168, 176, 184, 210, 220, 230, 231, 240, 253, 264, 276, 280, 308, 322, 330, 336, 345, 368, 385, 420, 440, 460, 462, 483, 506, 521, 528, 552, 560, 616, 644, 660, 690, 759, 770, 805, 840, 880, 920, 924, 966, 1012, 1042, 1104, 1155, 1232, 1265, 1288, 1320, 1380, 1518, 1540, 1563, 1610, 1680, 1771, 1840, 1848, 1932, 2024, 2084, 2310, 2415, 2530, 2576, 2605, 2640, 2760, 3036, 3080, 3126, 3220, 3542, 3647, 3696, 3795, 3864, 4048, 4168, 4620, 4830, 5060, 5210, 5313, 5520, 5731, 6072, 6160, 6252, 6440, 7084, 7294, 7590, 7728, 7815, 8336, 8855, 9240, 9660, 10120, 10420, 10626, 10941, 11462, 11983, 12144, 12504, 12880, 14168, 14588, 15180, 15630, 17193, 17710, 18235, 18480, 19320, 20240, 20840, 21252, 21882, 22924, 23966, 25008, 26565, 28336, 28655, 29176, 30360, 31260, 34386, 35420, 35949, 36470, 38640, 40117, 41680, 42504, 43764, 45848, 47932, 53130, 54705, 57310, 58352, 59915, 60720, 62520, 68772, 70840, 71898, 72940, 80234, 83881, 85008, 85965, 87528, 91696, 95864, 106260, 109410, 114620, 119830, 120351, 125040, 131813, 137544, 141680, 143796, 145880, 160468, 167762, 171930, 175056, 179745, 191728, 200585, 212520, 218820, 229240, 239660, 240702, 251643, 263626, 275088, 287592, 291760, 320936, 335524, 343860, 359490, 395439, 401170, 419405, 425040, 437640, 458480, 479320, 481404, 503286, 527252, 575184, 601755, 641872, 659065, 671048, 687720, 718980, 790878, 802340, 838810, 875280, 922691, 958640, 962808, 1006572, 1054504, 1203510, 1258215, 1318130, 1342096, 1375440, 1437960, 1581756, 1604680, 1677620, 1845382, 1925616, 1977195, 2013144, 2109008, 2407020, 2516430, 2636260, 2768073, 2875920, 3163512, 3209360, 3355240, 3690764, 3954390, 4026288, 4613455, 4814040, 5032860, 5272520, 5536146, 6327024, 6710480, 7381528, 7908780, 9226910, 9628080, 10065720, 10545040, 11072292, 13840365, 14763056, 15817560, 18453820, 20131440, 22144584, 27680730, 31635120, 36907640, 44289168, 55361460, 73815280, 110722920, 221445840]

約数ペア:

[(1, 221445840), (2, 110722920), (3, 73815280), (4, 55361460), (5, 44289168), (6, 36907640), (7, 31635120), (8, 27680730), (10, 22144584), (11, 20131440), (12, 18453820), (14, 15817560), (15, 14763056), (16, 13840365), (20, 11072292), (21, 10545040), (22, 10065720), (23, 9628080), (24, 9226910), (28, 7908780), (30, 7381528), (33, 6710480), (35, 6327024), (40, 5536146), (42, 5272520), (44, 5032860), (46, 4814040), (48, 4613455), (55, 4026288), (56, 3954390), (60, 3690764), (66, 3355240), (69, 3209360), (70, 3163512), (77, 2875920), (80, 2768073), (84, 2636260), (88, 2516430), (92, 2407020), (105, 2109008), (110, 2013144), (112, 1977195), (115, 1925616), (120, 1845382), (132, 1677620), (138, 1604680), (140, 1581756), (154, 1437960), (161, 1375440), (165, 1342096), (168, 1318130), (176, 1258215), (184, 1203510), (210, 1054504), (220, 1006572), (230, 962808), (231, 958640), (240, 922691), (253, 875280), (264, 838810), (276, 802340), (280, 790878), (308, 718980), (322, 687720), (330, 671048), (336, 659065), (345, 641872), (368, 601755), (385, 575184), (420, 527252), (440, 503286), (460, 481404), (462, 479320), (483, 458480), (506, 437640), (521, 425040), (528, 419405), (552, 401170), (560, 395439), (616, 359490), (644, 343860), (660, 335524), (690, 320936), (759, 291760), (770, 287592), (805, 275088), (840, 263626), (880, 251643), (920, 240702), (924, 239660), (966, 229240), (1012, 218820), (1042, 212520), (1104, 200585), (1155, 191728), (1232, 179745), (1265, 175056), (1288, 171930), (1320, 167762), (1380, 160468), (1518, 145880), (1540, 143796), (1563, 141680), (1610, 137544), (1680, 131813), (1771, 125040), (1840, 120351), (1848, 119830), (1932, 114620), (2024, 109410), (2084, 106260), (2310, 95864), (2415, 91696), (2530, 87528), (2576, 85965), (2605, 85008), (2640, 83881), (2760, 80234), (3036, 72940), (3080, 71898), (3126, 70840), (3220, 68772), (3542, 62520), (3647, 60720), (3696, 59915), (3795, 58352), (3864, 57310), (4048, 54705), (4168, 53130), (4620, 47932), (4830, 45848), (5060, 43764), (5210, 42504), (5313, 41680), (5520, 40117), (5731, 38640), (6072, 36470), (6160, 35949), (6252, 35420), (6440, 34386), (7084, 31260), (7294, 30360), (7590, 29176), (7728, 28655), (7815, 28336), (8336, 26565), (8855, 25008), (9240, 23966), (9660, 22924), (10120, 21882), (10420, 21252), (10626, 20840), (10941, 20240), (11462, 19320), (11983, 18480), (12144, 18235), (12504, 17710), (12880, 17193), (14168, 15630), (14588, 15180)]