19915996800

素因数分解:

$2^7\times 3^1\times 5^2\times 7^1\times {\mathrm{296369}}^1$

素因数の和:296403

約数の個数: 192

約数和(自身を含む): 74969755200

約数和(自身を除く): 55053758400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 280, 300, 320, 336, 350, 384, 400, 420, 448, 480, 525, 560, 600, 640, 672, 700, 800, 840, 896, 960, 1050, 1120, 1200, 1344, 1400, 1600, 1680, 1920, 2100, 2240, 2400, 2688, 2800, 3200, 3360, 4200, 4480, 4800, 5600, 6720, 8400, 9600, 11200, 13440, 16800, 22400, 33600, 67200, 296369, 592738, 889107, 1185476, 1481845, 1778214, 2074583, 2370952, 2963690, 3556428, 4149166, 4445535, 4741904, 5927380, 6223749, 7112856, 7409225, 8298332, 8891070, 9483808, 10372915, 11854760, 12447498, 14225712, 14818450, 16596664, 17782140, 18967616, 20745830, 22227675, 23709520, 24894996, 28451424, 29636900, 31118745, 33193328, 35564280, 37935232, 41491660, 44455350, 47419040, 49789992, 51864575, 56902848, 59273800, 62237490, 66386656, 71128560, 82983320, 88910700, 94838080, 99579984, 103729150, 113805696, 118547600, 124474980, 132773312, 142257120, 155593725, 165966640, 177821400, 189676160, 199159968, 207458300, 237095200, 248949960, 265546624, 284514240, 311187450, 331933280, 355642800, 398319936, 414916600, 474190400, 497899920, 569028480, 622374900, 663866560, 711285600, 796639872, 829833200, 948380800, 995799840, 1244749800, 1327733120, 1422571200, 1659666400, 1991599680, 2489499600, 2845142400, 3319332800, 3983199360, 4978999200, 6638665600, 9957998400, 19915996800]

約数ペア:

[(1, 19915996800), (2, 9957998400), (3, 6638665600), (4, 4978999200), (5, 3983199360), (6, 3319332800), (7, 2845142400), (8, 2489499600), (10, 1991599680), (12, 1659666400), (14, 1422571200), (15, 1327733120), (16, 1244749800), (20, 995799840), (21, 948380800), (24, 829833200), (25, 796639872), (28, 711285600), (30, 663866560), (32, 622374900), (35, 569028480), (40, 497899920), (42, 474190400), (48, 414916600), (50, 398319936), (56, 355642800), (60, 331933280), (64, 311187450), (70, 284514240), (75, 265546624), (80, 248949960), (84, 237095200), (96, 207458300), (100, 199159968), (105, 189676160), (112, 177821400), (120, 165966640), (128, 155593725), (140, 142257120), (150, 132773312), (160, 124474980), (168, 118547600), (175, 113805696), (192, 103729150), (200, 99579984), (210, 94838080), (224, 88910700), (240, 82983320), (280, 71128560), (300, 66386656), (320, 62237490), (336, 59273800), (350, 56902848), (384, 51864575), (400, 49789992), (420, 47419040), (448, 44455350), (480, 41491660), (525, 37935232), (560, 35564280), (600, 33193328), (640, 31118745), (672, 29636900), (700, 28451424), (800, 24894996), (840, 23709520), (896, 22227675), (960, 20745830), (1050, 18967616), (1120, 17782140), (1200, 16596664), (1344, 14818450), (1400, 14225712), (1600, 12447498), (1680, 11854760), (1920, 10372915), (2100, 9483808), (2240, 8891070), (2400, 8298332), (2688, 7409225), (2800, 7112856), (3200, 6223749), (3360, 5927380), (4200, 4741904), (4480, 4445535), (4800, 4149166), (5600, 3556428), (6720, 2963690), (8400, 2370952), (9600, 2074583), (11200, 1778214), (13440, 1481845), (16800, 1185476), (22400, 889107), (33600, 592738), (67200, 296369)]