31950080

素因数分解:

$2^8\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 77569800

約数和(自身を除く): 45619720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 229, 256, 320, 436, 458, 545, 640, 872, 916, 1090, 1145, 1280, 1744, 1832, 2180, 2290, 3488, 3664, 4360, 4580, 6976, 7328, 8720, 9160, 13952, 14656, 17440, 18320, 24961, 27904, 29312, 34880, 36640, 49922, 58624, 69760, 73280, 99844, 124805, 139520, 146560, 199688, 249610, 293120, 399376, 499220, 798752, 998440, 1597504, 1996880, 3195008, 3993760, 6390016, 7987520, 15975040, 31950080]

約数ペア:

[(1, 31950080), (2, 15975040), (4, 7987520), (5, 6390016), (8, 3993760), (10, 3195008), (16, 1996880), (20, 1597504), (32, 998440), (40, 798752), (64, 499220), (80, 399376), (109, 293120), (128, 249610), (160, 199688), (218, 146560), (229, 139520), (256, 124805), (320, 99844), (436, 73280), (458, 69760), (545, 58624), (640, 49922), (872, 36640), (916, 34880), (1090, 29312), (1145, 27904), (1280, 24961), (1744, 18320), (1832, 17440), (2180, 14656), (2290, 13952), (3488, 9160), (3664, 8720), (4360, 7328), (4580, 6976)]