127983520

素因数分解:

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

素因数の和:750

約数の個数: 96

約数和(自身を含む): 347760000

約数和(自身を除く): 219776480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 229, 280, 458, 499, 560, 916, 998, 1120, 1145, 1603, 1832, 1996, 2290, 2495, 3206, 3493, 3664, 3992, 4580, 4990, 6412, 6986, 7328, 7984, 8015, 9160, 9980, 12824, 13972, 15968, 16030, 17465, 18320, 19960, 25648, 27944, 32060, 34930, 36640, 39920, 51296, 55888, 64120, 69860, 79840, 111776, 114271, 128240, 139720, 228542, 256480, 279440, 457084, 558880, 571355, 799897, 914168, 1142710, 1599794, 1828336, 2285420, 3199588, 3656672, 3999485, 4570840, 6399176, 7998970, 9141680, 12798352, 15997940, 18283360, 25596704, 31995880, 63991760, 127983520]

約数ペア:

[(1, 127983520), (2, 63991760), (4, 31995880), (5, 25596704), (7, 18283360), (8, 15997940), (10, 12798352), (14, 9141680), (16, 7998970), (20, 6399176), (28, 4570840), (32, 3999485), (35, 3656672), (40, 3199588), (56, 2285420), (70, 1828336), (80, 1599794), (112, 1142710), (140, 914168), (160, 799897), (224, 571355), (229, 558880), (280, 457084), (458, 279440), (499, 256480), (560, 228542), (916, 139720), (998, 128240), (1120, 114271), (1145, 111776), (1603, 79840), (1832, 69860), (1996, 64120), (2290, 55888), (2495, 51296), (3206, 39920), (3493, 36640), (3664, 34930), (3992, 32060), (4580, 27944), (4990, 25648), (6412, 19960), (6986, 18320), (7328, 17465), (7984, 16030), (8015, 15968), (9160, 13972), (9980, 12824)]