66680320

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{61}}^2$

素因数の和:152

約数の個数: 120

約数和(自身を含む): 185760432

約数和(自身を除く): 119080112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 256, 280, 305, 320, 427, 448, 488, 512, 560, 610, 640, 854, 896, 976, 1120, 1220, 1280, 1708, 1792, 1952, 2135, 2240, 2440, 2560, 3416, 3584, 3721, 3904, 4270, 4480, 4880, 6832, 7442, 7808, 8540, 8960, 9760, 13664, 14884, 15616, 17080, 17920, 18605, 19520, 26047, 27328, 29768, 31232, 34160, 37210, 39040, 52094, 54656, 59536, 68320, 74420, 78080, 104188, 109312, 119072, 130235, 136640, 148840, 156160, 208376, 218624, 238144, 260470, 273280, 297680, 416752, 476288, 520940, 546560, 595360, 833504, 952576, 1041880, 1093120, 1190720, 1667008, 1905152, 2083760, 2381440, 3334016, 4167520, 4762880, 6668032, 8335040, 9525760, 13336064, 16670080, 33340160, 66680320]

約数ペア:

[(1, 66680320), (2, 33340160), (4, 16670080), (5, 13336064), (7, 9525760), (8, 8335040), (10, 6668032), (14, 4762880), (16, 4167520), (20, 3334016), (28, 2381440), (32, 2083760), (35, 1905152), (40, 1667008), (56, 1190720), (61, 1093120), (64, 1041880), (70, 952576), (80, 833504), (112, 595360), (122, 546560), (128, 520940), (140, 476288), (160, 416752), (224, 297680), (244, 273280), (256, 260470), (280, 238144), (305, 218624), (320, 208376), (427, 156160), (448, 148840), (488, 136640), (512, 130235), (560, 119072), (610, 109312), (640, 104188), (854, 78080), (896, 74420), (976, 68320), (1120, 59536), (1220, 54656), (1280, 52094), (1708, 39040), (1792, 37210), (1952, 34160), (2135, 31232), (2240, 29768), (2440, 27328), (2560, 26047), (3416, 19520), (3584, 18605), (3721, 17920), (3904, 17080), (4270, 15616), (4480, 14884), (4880, 13664), (6832, 9760), (7442, 8960), (7808, 8540)]