31700480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 160

約数和(自身を含む): 91333440

約数和(自身を除く): 59632960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 61, 64, 70, 80, 112, 116, 122, 128, 140, 145, 160, 203, 224, 232, 244, 256, 280, 290, 305, 320, 406, 427, 448, 464, 488, 512, 560, 580, 610, 640, 812, 854, 896, 928, 976, 1015, 1120, 1160, 1220, 1280, 1624, 1708, 1769, 1792, 1856, 1952, 2030, 2135, 2240, 2320, 2440, 2560, 3248, 3416, 3538, 3584, 3712, 3904, 4060, 4270, 4480, 4640, 4880, 6496, 6832, 7076, 7424, 7808, 8120, 8540, 8845, 8960, 9280, 9760, 12383, 12992, 13664, 14152, 14848, 15616, 16240, 17080, 17690, 17920, 18560, 19520, 24766, 25984, 27328, 28304, 31232, 32480, 34160, 35380, 37120, 39040, 49532, 51968, 54656, 56608, 61915, 64960, 68320, 70760, 74240, 78080, 99064, 103936, 109312, 113216, 123830, 129920, 136640, 141520, 156160, 198128, 218624, 226432, 247660, 259840, 273280, 283040, 396256, 452864, 495320, 519680, 546560, 566080, 792512, 905728, 990640, 1093120, 1132160, 1585024, 1981280, 2264320, 3170048, 3962560, 4528640, 6340096, 7925120, 15850240, 31700480]

約数ペア:

[(1, 31700480), (2, 15850240), (4, 7925120), (5, 6340096), (7, 4528640), (8, 3962560), (10, 3170048), (14, 2264320), (16, 1981280), (20, 1585024), (28, 1132160), (29, 1093120), (32, 990640), (35, 905728), (40, 792512), (56, 566080), (58, 546560), (61, 519680), (64, 495320), (70, 452864), (80, 396256), (112, 283040), (116, 273280), (122, 259840), (128, 247660), (140, 226432), (145, 218624), (160, 198128), (203, 156160), (224, 141520), (232, 136640), (244, 129920), (256, 123830), (280, 113216), (290, 109312), (305, 103936), (320, 99064), (406, 78080), (427, 74240), (448, 70760), (464, 68320), (488, 64960), (512, 61915), (560, 56608), (580, 54656), (610, 51968), (640, 49532), (812, 39040), (854, 37120), (896, 35380), (928, 34160), (976, 32480), (1015, 31232), (1120, 28304), (1160, 27328), (1220, 25984), (1280, 24766), (1624, 19520), (1708, 18560), (1769, 17920), (1792, 17690), (1856, 17080), (1952, 16240), (2030, 15616), (2135, 14848), (2240, 14152), (2320, 13664), (2440, 12992), (2560, 12383), (3248, 9760), (3416, 9280), (3538, 8960), (3584, 8845), (3712, 8540), (3904, 8120), (4060, 7808), (4270, 7424), (4480, 7076), (4640, 6832), (4880, 6496)]