215665920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:317

約数の個数: 216

約数和(自身を含む): 757780296

約数和(自身を除く): 542114376

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 97, 120, 128, 144, 160, 180, 192, 193, 194, 240, 256, 288, 291, 320, 360, 384, 386, 388, 480, 485, 576, 579, 582, 640, 720, 768, 772, 776, 873, 960, 965, 970, 1152, 1158, 1164, 1280, 1440, 1455, 1544, 1552, 1737, 1746, 1920, 1930, 1940, 2304, 2316, 2328, 2880, 2895, 2910, 3088, 3104, 3474, 3492, 3840, 3860, 3880, 4365, 4632, 4656, 5760, 5790, 5820, 6176, 6208, 6948, 6984, 7720, 7760, 8685, 8730, 9264, 9312, 11520, 11580, 11640, 12352, 12416, 13896, 13968, 15440, 15520, 17370, 17460, 18528, 18624, 18721, 23160, 23280, 24704, 24832, 27792, 27936, 30880, 31040, 34740, 34920, 37056, 37248, 37442, 46320, 46560, 49408, 55584, 55872, 56163, 61760, 62080, 69480, 69840, 74112, 74496, 74884, 92640, 93120, 93605, 111168, 111744, 112326, 123520, 124160, 138960, 139680, 148224, 149768, 168489, 185280, 186240, 187210, 222336, 223488, 224652, 247040, 277920, 279360, 280815, 299536, 336978, 370560, 372480, 374420, 444672, 449304, 555840, 558720, 561630, 599072, 673956, 741120, 748840, 842445, 898608, 1111680, 1117440, 1123260, 1198144, 1347912, 1497680, 1684890, 1797216, 2223360, 2246520, 2396288, 2695824, 2995360, 3369780, 3594432, 4493040, 4792576, 5391648, 5990720, 6739560, 7188864, 8986080, 10783296, 11981440, 13479120, 14377728, 17972160, 21566592, 23962880, 26958240, 35944320, 43133184, 53916480, 71888640, 107832960, 215665920]

約数ペア:

[(1, 215665920), (2, 107832960), (3, 71888640), (4, 53916480), (5, 43133184), (6, 35944320), (8, 26958240), (9, 23962880), (10, 21566592), (12, 17972160), (15, 14377728), (16, 13479120), (18, 11981440), (20, 10783296), (24, 8986080), (30, 7188864), (32, 6739560), (36, 5990720), (40, 5391648), (45, 4792576), (48, 4493040), (60, 3594432), (64, 3369780), (72, 2995360), (80, 2695824), (90, 2396288), (96, 2246520), (97, 2223360), (120, 1797216), (128, 1684890), (144, 1497680), (160, 1347912), (180, 1198144), (192, 1123260), (193, 1117440), (194, 1111680), (240, 898608), (256, 842445), (288, 748840), (291, 741120), (320, 673956), (360, 599072), (384, 561630), (386, 558720), (388, 555840), (480, 449304), (485, 444672), (576, 374420), (579, 372480), (582, 370560), (640, 336978), (720, 299536), (768, 280815), (772, 279360), (776, 277920), (873, 247040), (960, 224652), (965, 223488), (970, 222336), (1152, 187210), (1158, 186240), (1164, 185280), (1280, 168489), (1440, 149768), (1455, 148224), (1544, 139680), (1552, 138960), (1737, 124160), (1746, 123520), (1920, 112326), (1930, 111744), (1940, 111168), (2304, 93605), (2316, 93120), (2328, 92640), (2880, 74884), (2895, 74496), (2910, 74112), (3088, 69840), (3104, 69480), (3474, 62080), (3492, 61760), (3840, 56163), (3860, 55872), (3880, 55584), (4365, 49408), (4632, 46560), (4656, 46320), (5760, 37442), (5790, 37248), (5820, 37056), (6176, 34920), (6208, 34740), (6948, 31040), (6984, 30880), (7720, 27936), (7760, 27792), (8685, 24832), (8730, 24704), (9264, 23280), (9312, 23160), (11520, 18721), (11580, 18624), (11640, 18528), (12352, 17460), (12416, 17370), (13896, 15520), (13968, 15440)]