80729600

素因数分解:

$2^9\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:105

約数の個数: 240

約数和(自身を含む): 246600288

約数和(自身を除く): 165870688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 53, 56, 64, 68, 70, 80, 85, 100, 106, 112, 119, 128, 136, 140, 160, 170, 175, 200, 212, 224, 238, 256, 265, 272, 280, 320, 340, 350, 371, 400, 424, 425, 448, 476, 512, 530, 544, 560, 595, 640, 680, 700, 742, 800, 848, 850, 896, 901, 952, 1060, 1088, 1120, 1190, 1280, 1325, 1360, 1400, 1484, 1600, 1696, 1700, 1792, 1802, 1855, 1904, 2120, 2176, 2240, 2380, 2560, 2650, 2720, 2800, 2968, 2975, 3200, 3392, 3400, 3584, 3604, 3710, 3808, 4240, 4352, 4480, 4505, 4760, 5300, 5440, 5600, 5936, 5950, 6307, 6400, 6784, 6800, 7208, 7420, 7616, 8480, 8704, 8960, 9010, 9275, 9520, 10600, 10880, 11200, 11872, 11900, 12614, 12800, 13568, 13600, 14416, 14840, 15232, 16960, 17920, 18020, 18550, 19040, 21200, 21760, 22400, 22525, 23744, 23800, 25228, 27136, 27200, 28832, 29680, 30464, 31535, 33920, 36040, 37100, 38080, 42400, 43520, 44800, 45050, 47488, 47600, 50456, 54400, 57664, 59360, 60928, 63070, 67840, 72080, 74200, 76160, 84800, 89600, 90100, 94976, 95200, 100912, 108800, 115328, 118720, 126140, 135680, 144160, 148400, 152320, 157675, 169600, 180200, 189952, 190400, 201824, 217600, 230656, 237440, 252280, 288320, 296800, 304640, 315350, 339200, 360400, 380800, 403648, 461312, 474880, 504560, 576640, 593600, 630700, 678400, 720800, 761600, 807296, 949760, 1009120, 1153280, 1187200, 1261400, 1441600, 1523200, 1614592, 2018240, 2306560, 2374400, 2522800, 2883200, 3229184, 4036480, 4748800, 5045600, 5766400, 8072960, 10091200, 11532800, 16145920, 20182400, 40364800, 80729600]

約数ペア:

[(1, 80729600), (2, 40364800), (4, 20182400), (5, 16145920), (7, 11532800), (8, 10091200), (10, 8072960), (14, 5766400), (16, 5045600), (17, 4748800), (20, 4036480), (25, 3229184), (28, 2883200), (32, 2522800), (34, 2374400), (35, 2306560), (40, 2018240), (50, 1614592), (53, 1523200), (56, 1441600), (64, 1261400), (68, 1187200), (70, 1153280), (80, 1009120), (85, 949760), (100, 807296), (106, 761600), (112, 720800), (119, 678400), (128, 630700), (136, 593600), (140, 576640), (160, 504560), (170, 474880), (175, 461312), (200, 403648), (212, 380800), (224, 360400), (238, 339200), (256, 315350), (265, 304640), (272, 296800), (280, 288320), (320, 252280), (340, 237440), (350, 230656), (371, 217600), (400, 201824), (424, 190400), (425, 189952), (448, 180200), (476, 169600), (512, 157675), (530, 152320), (544, 148400), (560, 144160), (595, 135680), (640, 126140), (680, 118720), (700, 115328), (742, 108800), (800, 100912), (848, 95200), (850, 94976), (896, 90100), (901, 89600), (952, 84800), (1060, 76160), (1088, 74200), (1120, 72080), (1190, 67840), (1280, 63070), (1325, 60928), (1360, 59360), (1400, 57664), (1484, 54400), (1600, 50456), (1696, 47600), (1700, 47488), (1792, 45050), (1802, 44800), (1855, 43520), (1904, 42400), (2120, 38080), (2176, 37100), (2240, 36040), (2380, 33920), (2560, 31535), (2650, 30464), (2720, 29680), (2800, 28832), (2968, 27200), (2975, 27136), (3200, 25228), (3392, 23800), (3400, 23744), (3584, 22525), (3604, 22400), (3710, 21760), (3808, 21200), (4240, 19040), (4352, 18550), (4480, 18020), (4505, 17920), (4760, 16960), (5300, 15232), (5440, 14840), (5600, 14416), (5936, 13600), (5950, 13568), (6307, 12800), (6400, 12614), (6784, 11900), (6800, 11872), (7208, 11200), (7420, 10880), (7616, 10600), (8480, 9520), (8704, 9275), (8960, 9010)]