19369680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:90

約数の個数: 240

約数和(自身を含む): 71245440

約数和(自身を除く): 51875760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 29, 30, 33, 40, 44, 46, 48, 55, 58, 60, 66, 69, 80, 87, 88, 92, 110, 115, 116, 120, 121, 132, 138, 145, 165, 174, 176, 184, 220, 230, 232, 240, 242, 253, 264, 276, 290, 319, 330, 345, 348, 363, 368, 435, 440, 460, 464, 484, 506, 528, 552, 580, 605, 638, 660, 667, 690, 696, 726, 759, 870, 880, 920, 957, 968, 1012, 1104, 1160, 1210, 1265, 1276, 1320, 1334, 1380, 1392, 1452, 1518, 1595, 1740, 1815, 1840, 1914, 1936, 2001, 2024, 2320, 2420, 2530, 2552, 2640, 2668, 2760, 2783, 2904, 3036, 3190, 3335, 3480, 3509, 3630, 3795, 3828, 4002, 4048, 4785, 4840, 5060, 5104, 5336, 5520, 5566, 5808, 6072, 6380, 6670, 6960, 7018, 7260, 7337, 7590, 7656, 8004, 8349, 9570, 9680, 10005, 10120, 10527, 10672, 11132, 12144, 12760, 13340, 13915, 14036, 14520, 14674, 15180, 15312, 16008, 16698, 17545, 19140, 20010, 20240, 21054, 22011, 22264, 25520, 26680, 27830, 28072, 29040, 29348, 30360, 32016, 33396, 35090, 36685, 38280, 40020, 41745, 42108, 44022, 44528, 52635, 53360, 55660, 56144, 58696, 60720, 66792, 70180, 73370, 76560, 80040, 80707, 83490, 84216, 88044, 105270, 110055, 111320, 117392, 133584, 140360, 146740, 160080, 161414, 166980, 168432, 176088, 210540, 220110, 222640, 242121, 280720, 293480, 322828, 333960, 352176, 403535, 421080, 440220, 484242, 586960, 645656, 667920, 807070, 842160, 880440, 968484, 1210605, 1291312, 1614140, 1760880, 1936968, 2421210, 3228280, 3873936, 4842420, 6456560, 9684840, 19369680]

約数ペア:

[(1, 19369680), (2, 9684840), (3, 6456560), (4, 4842420), (5, 3873936), (6, 3228280), (8, 2421210), (10, 1936968), (11, 1760880), (12, 1614140), (15, 1291312), (16, 1210605), (20, 968484), (22, 880440), (23, 842160), (24, 807070), (29, 667920), (30, 645656), (33, 586960), (40, 484242), (44, 440220), (46, 421080), (48, 403535), (55, 352176), (58, 333960), (60, 322828), (66, 293480), (69, 280720), (80, 242121), (87, 222640), (88, 220110), (92, 210540), (110, 176088), (115, 168432), (116, 166980), (120, 161414), (121, 160080), (132, 146740), (138, 140360), (145, 133584), (165, 117392), (174, 111320), (176, 110055), (184, 105270), (220, 88044), (230, 84216), (232, 83490), (240, 80707), (242, 80040), (253, 76560), (264, 73370), (276, 70180), (290, 66792), (319, 60720), (330, 58696), (345, 56144), (348, 55660), (363, 53360), (368, 52635), (435, 44528), (440, 44022), (460, 42108), (464, 41745), (484, 40020), (506, 38280), (528, 36685), (552, 35090), (580, 33396), (605, 32016), (638, 30360), (660, 29348), (667, 29040), (690, 28072), (696, 27830), (726, 26680), (759, 25520), (870, 22264), (880, 22011), (920, 21054), (957, 20240), (968, 20010), (1012, 19140), (1104, 17545), (1160, 16698), (1210, 16008), (1265, 15312), (1276, 15180), (1320, 14674), (1334, 14520), (1380, 14036), (1392, 13915), (1452, 13340), (1518, 12760), (1595, 12144), (1740, 11132), (1815, 10672), (1840, 10527), (1914, 10120), (1936, 10005), (2001, 9680), (2024, 9570), (2320, 8349), (2420, 8004), (2530, 7656), (2552, 7590), (2640, 7337), (2668, 7260), (2760, 7018), (2783, 6960), (2904, 6670), (3036, 6380), (3190, 6072), (3335, 5808), (3480, 5566), (3509, 5520), (3630, 5336), (3795, 5104), (3828, 5060), (4002, 4840), (4048, 4785)]