19978748160

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43721}}^1$

素因数の和:43769

約数の個数: 288

約数和(自身を含む): 77213751552

約数和(自身を除く): 57235003392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 40, 42, 48, 51, 56, 60, 64, 68, 70, 80, 84, 85, 96, 102, 105, 112, 119, 120, 128, 136, 140, 160, 168, 170, 192, 204, 210, 224, 238, 240, 255, 256, 272, 280, 320, 336, 340, 357, 384, 408, 420, 448, 476, 480, 510, 544, 560, 595, 640, 672, 680, 714, 768, 816, 840, 896, 952, 960, 1020, 1088, 1120, 1190, 1280, 1344, 1360, 1428, 1632, 1680, 1785, 1792, 1904, 1920, 2040, 2176, 2240, 2380, 2688, 2720, 2856, 3264, 3360, 3570, 3808, 3840, 4080, 4352, 4480, 4760, 5376, 5440, 5712, 6528, 6720, 7140, 7616, 8160, 8960, 9520, 10880, 11424, 13056, 13440, 14280, 15232, 16320, 19040, 21760, 22848, 26880, 28560, 30464, 32640, 38080, 43721, 45696, 57120, 65280, 76160, 87442, 91392, 114240, 131163, 152320, 174884, 218605, 228480, 262326, 306047, 349768, 437210, 456960, 524652, 612094, 655815, 699536, 743257, 874420, 918141, 1049304, 1224188, 1311630, 1399072, 1486514, 1530235, 1748840, 1836282, 2098608, 2229771, 2448376, 2623260, 2798144, 2973028, 3060470, 3497680, 3672564, 3716285, 4197216, 4459542, 4590705, 4896752, 5202799, 5246520, 5596288, 5946056, 6120940, 6995360, 7345128, 7432570, 8394432, 8919084, 9181410, 9793504, 10405598, 10493040, 11148855, 11192576, 11892112, 12241880, 13990720, 14690256, 14865140, 15608397, 16788864, 17838168, 18362820, 19587008, 20811196, 20986080, 22297710, 23784224, 24483760, 26013995, 27981440, 29380512, 29730280, 31216794, 33577728, 35676336, 36725640, 39174016, 41622392, 41972160, 44595420, 47568448, 48967520, 52027990, 55962880, 58761024, 59460560, 62433588, 71352672, 73451280, 78041985, 78348032, 83244784, 83944320, 89190840, 95136896, 97935040, 104055980, 117522048, 118921120, 124867176, 142705344, 146902560, 156083970, 166489568, 167888640, 178381680, 190273792, 195870080, 208111960, 235044096, 237842240, 249734352, 285410688, 293805120, 312167940, 332979136, 356763360, 391740160, 416223920, 475684480, 499468704, 570821376, 587610240, 624335880, 665958272, 713526720, 832447840, 951368960, 998937408, 1175220480, 1248671760, 1331916544, 1427053440, 1664895680, 1997874816, 2497343520, 2854106880, 3329791360, 3995749632, 4994687040, 6659582720, 9989374080, 19978748160]

約数ペア:

[(1, 19978748160), (2, 9989374080), (3, 6659582720), (4, 4994687040), (5, 3995749632), (6, 3329791360), (7, 2854106880), (8, 2497343520), (10, 1997874816), (12, 1664895680), (14, 1427053440), (15, 1331916544), (16, 1248671760), (17, 1175220480), (20, 998937408), (21, 951368960), (24, 832447840), (28, 713526720), (30, 665958272), (32, 624335880), (34, 587610240), (35, 570821376), (40, 499468704), (42, 475684480), (48, 416223920), (51, 391740160), (56, 356763360), (60, 332979136), (64, 312167940), (68, 293805120), (70, 285410688), (80, 249734352), (84, 237842240), (85, 235044096), (96, 208111960), (102, 195870080), (105, 190273792), (112, 178381680), (119, 167888640), (120, 166489568), (128, 156083970), (136, 146902560), (140, 142705344), (160, 124867176), (168, 118921120), (170, 117522048), (192, 104055980), (204, 97935040), (210, 95136896), (224, 89190840), (238, 83944320), (240, 83244784), (255, 78348032), (256, 78041985), (272, 73451280), (280, 71352672), (320, 62433588), (336, 59460560), (340, 58761024), (357, 55962880), (384, 52027990), (408, 48967520), (420, 47568448), (448, 44595420), (476, 41972160), (480, 41622392), (510, 39174016), (544, 36725640), (560, 35676336), (595, 33577728), (640, 31216794), (672, 29730280), (680, 29380512), (714, 27981440), (768, 26013995), (816, 24483760), (840, 23784224), (896, 22297710), (952, 20986080), (960, 20811196), (1020, 19587008), (1088, 18362820), (1120, 17838168), (1190, 16788864), (1280, 15608397), (1344, 14865140), (1360, 14690256), (1428, 13990720), (1632, 12241880), (1680, 11892112), (1785, 11192576), (1792, 11148855), (1904, 10493040), (1920, 10405598), (2040, 9793504), (2176, 9181410), (2240, 8919084), (2380, 8394432), (2688, 7432570), (2720, 7345128), (2856, 6995360), (3264, 6120940), (3360, 5946056), (3570, 5596288), (3808, 5246520), (3840, 5202799), (4080, 4896752), (4352, 4590705), (4480, 4459542), (4760, 4197216), (5376, 3716285), (5440, 3672564), (5712, 3497680), (6528, 3060470), (6720, 2973028), (7140, 2798144), (7616, 2623260), (8160, 2448376), (8960, 2229771), (9520, 2098608), (10880, 1836282), (11424, 1748840), (13056, 1530235), (13440, 1486514), (14280, 1399072), (15232, 1311630), (16320, 1224188), (19040, 1049304), (21760, 918141), (22848, 874420), (26880, 743257), (28560, 699536), (30464, 655815), (32640, 612094), (38080, 524652), (43721, 456960), (45696, 437210), (57120, 349768), (65280, 306047), (76160, 262326), (87442, 228480), (91392, 218605), (114240, 174884), (131163, 152320)]