31149440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:452

約数の個数: 128

約数和(自身を含む): 90331200

約数和(自身を除く): 59181760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 409, 448, 476, 544, 560, 595, 640, 680, 818, 896, 952, 1088, 1120, 1190, 1360, 1636, 1904, 2045, 2176, 2240, 2380, 2720, 2863, 3272, 3808, 4090, 4480, 4760, 5440, 5726, 6544, 6953, 7616, 8180, 9520, 10880, 11452, 13088, 13906, 14315, 15232, 16360, 19040, 22904, 26176, 27812, 28630, 32720, 34765, 38080, 45808, 48671, 52352, 55624, 57260, 65440, 69530, 76160, 91616, 97342, 111248, 114520, 130880, 139060, 183232, 194684, 222496, 229040, 243355, 261760, 278120, 366464, 389368, 444992, 458080, 486710, 556240, 778736, 889984, 916160, 973420, 1112480, 1557472, 1832320, 1946840, 2224960, 3114944, 3893680, 4449920, 6229888, 7787360, 15574720, 31149440]

約数ペア:

[(1, 31149440), (2, 15574720), (4, 7787360), (5, 6229888), (7, 4449920), (8, 3893680), (10, 3114944), (14, 2224960), (16, 1946840), (17, 1832320), (20, 1557472), (28, 1112480), (32, 973420), (34, 916160), (35, 889984), (40, 778736), (56, 556240), (64, 486710), (68, 458080), (70, 444992), (80, 389368), (85, 366464), (112, 278120), (119, 261760), (128, 243355), (136, 229040), (140, 222496), (160, 194684), (170, 183232), (224, 139060), (238, 130880), (272, 114520), (280, 111248), (320, 97342), (340, 91616), (409, 76160), (448, 69530), (476, 65440), (544, 57260), (560, 55624), (595, 52352), (640, 48671), (680, 45808), (818, 38080), (896, 34765), (952, 32720), (1088, 28630), (1120, 27812), (1190, 26176), (1360, 22904), (1636, 19040), (1904, 16360), (2045, 15232), (2176, 14315), (2240, 13906), (2380, 13088), (2720, 11452), (2863, 10880), (3272, 9520), (3808, 8180), (4090, 7616), (4480, 6953), (4760, 6544), (5440, 5726)]