31269120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 105960960

約数和(自身を除く): 74691840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 479, 480, 510, 544, 640, 680, 768, 816, 958, 960, 1020, 1088, 1280, 1360, 1437, 1632, 1916, 1920, 2040, 2176, 2395, 2720, 2874, 3264, 3832, 3840, 4080, 4352, 4790, 5440, 5748, 6528, 7185, 7664, 8143, 8160, 9580, 10880, 11496, 13056, 14370, 15328, 16286, 16320, 19160, 21760, 22992, 24429, 28740, 30656, 32572, 32640, 38320, 40715, 45984, 48858, 57480, 61312, 65144, 65280, 76640, 81430, 91968, 97716, 114960, 122145, 122624, 130288, 153280, 162860, 183936, 195432, 229920, 244290, 260576, 306560, 325720, 367872, 390864, 459840, 488580, 521152, 613120, 651440, 781728, 919680, 977160, 1042304, 1302880, 1563456, 1839360, 1954320, 2084608, 2605760, 3126912, 3908640, 5211520, 6253824, 7817280, 10423040, 15634560, 31269120]

約数ペア:

[(1, 31269120), (2, 15634560), (3, 10423040), (4, 7817280), (5, 6253824), (6, 5211520), (8, 3908640), (10, 3126912), (12, 2605760), (15, 2084608), (16, 1954320), (17, 1839360), (20, 1563456), (24, 1302880), (30, 1042304), (32, 977160), (34, 919680), (40, 781728), (48, 651440), (51, 613120), (60, 521152), (64, 488580), (68, 459840), (80, 390864), (85, 367872), (96, 325720), (102, 306560), (120, 260576), (128, 244290), (136, 229920), (160, 195432), (170, 183936), (192, 162860), (204, 153280), (240, 130288), (255, 122624), (256, 122145), (272, 114960), (320, 97716), (340, 91968), (384, 81430), (408, 76640), (479, 65280), (480, 65144), (510, 61312), (544, 57480), (640, 48858), (680, 45984), (768, 40715), (816, 38320), (958, 32640), (960, 32572), (1020, 30656), (1088, 28740), (1280, 24429), (1360, 22992), (1437, 21760), (1632, 19160), (1916, 16320), (1920, 16286), (2040, 15328), (2176, 14370), (2395, 13056), (2720, 11496), (2874, 10880), (3264, 9580), (3832, 8160), (3840, 8143), (4080, 7664), (4352, 7185), (4790, 6528), (5440, 5748)]