31498960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 160

約数和(自身を含む): 86780160

約数和(自身を除く): 55281200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 34, 38, 40, 46, 53, 68, 76, 80, 85, 92, 95, 106, 115, 136, 152, 170, 184, 190, 212, 230, 265, 272, 304, 323, 340, 368, 380, 391, 424, 437, 460, 530, 646, 680, 760, 782, 848, 874, 901, 920, 1007, 1060, 1219, 1292, 1360, 1520, 1564, 1615, 1748, 1802, 1840, 1955, 2014, 2120, 2185, 2438, 2584, 3128, 3230, 3496, 3604, 3910, 4028, 4240, 4370, 4505, 4876, 5035, 5168, 6095, 6256, 6460, 6992, 7208, 7429, 7820, 8056, 8740, 9010, 9752, 10070, 12190, 12920, 14416, 14858, 15640, 16112, 17119, 17480, 18020, 19504, 20140, 20723, 23161, 24380, 25840, 29716, 31280, 34238, 34960, 36040, 37145, 40280, 41446, 46322, 48760, 59432, 68476, 72080, 74290, 80560, 82892, 85595, 92644, 97520, 103615, 115805, 118864, 136952, 148580, 165784, 171190, 185288, 207230, 231610, 273904, 297160, 331568, 342380, 370576, 393737, 414460, 463220, 594320, 684760, 787474, 828920, 926440, 1369520, 1574948, 1657840, 1852880, 1968685, 3149896, 3937370, 6299792, 7874740, 15749480, 31498960]

約数ペア:

[(1, 31498960), (2, 15749480), (4, 7874740), (5, 6299792), (8, 3937370), (10, 3149896), (16, 1968685), (17, 1852880), (19, 1657840), (20, 1574948), (23, 1369520), (34, 926440), (38, 828920), (40, 787474), (46, 684760), (53, 594320), (68, 463220), (76, 414460), (80, 393737), (85, 370576), (92, 342380), (95, 331568), (106, 297160), (115, 273904), (136, 231610), (152, 207230), (170, 185288), (184, 171190), (190, 165784), (212, 148580), (230, 136952), (265, 118864), (272, 115805), (304, 103615), (323, 97520), (340, 92644), (368, 85595), (380, 82892), (391, 80560), (424, 74290), (437, 72080), (460, 68476), (530, 59432), (646, 48760), (680, 46322), (760, 41446), (782, 40280), (848, 37145), (874, 36040), (901, 34960), (920, 34238), (1007, 31280), (1060, 29716), (1219, 25840), (1292, 24380), (1360, 23161), (1520, 20723), (1564, 20140), (1615, 19504), (1748, 18020), (1802, 17480), (1840, 17119), (1955, 16112), (2014, 15640), (2120, 14858), (2185, 14416), (2438, 12920), (2584, 12190), (3128, 10070), (3230, 9752), (3496, 9010), (3604, 8740), (3910, 8056), (4028, 7820), (4240, 7429), (4370, 7208), (4505, 6992), (4876, 6460), (5035, 6256), (5168, 6095)]