63991760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 171120000

約数和(自身を除く): 107128240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 229, 280, 458, 499, 560, 916, 998, 1145, 1603, 1832, 1996, 2290, 2495, 3206, 3493, 3664, 3992, 4580, 4990, 6412, 6986, 7984, 8015, 9160, 9980, 12824, 13972, 16030, 17465, 18320, 19960, 25648, 27944, 32060, 34930, 39920, 55888, 64120, 69860, 114271, 128240, 139720, 228542, 279440, 457084, 571355, 799897, 914168, 1142710, 1599794, 1828336, 2285420, 3199588, 3999485, 4570840, 6399176, 7998970, 9141680, 12798352, 15997940, 31995880, 63991760]

約数ペア:

[(1, 63991760), (2, 31995880), (4, 15997940), (5, 12798352), (7, 9141680), (8, 7998970), (10, 6399176), (14, 4570840), (16, 3999485), (20, 3199588), (28, 2285420), (35, 1828336), (40, 1599794), (56, 1142710), (70, 914168), (80, 799897), (112, 571355), (140, 457084), (229, 279440), (280, 228542), (458, 139720), (499, 128240), (560, 114271), (916, 69860), (998, 64120), (1145, 55888), (1603, 39920), (1832, 34930), (1996, 32060), (2290, 27944), (2495, 25648), (3206, 19960), (3493, 18320), (3664, 17465), (3992, 16030), (4580, 13972), (4990, 12824), (6412, 9980), (6986, 9160), (7984, 8015)]