13978160

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 80

約数和(自身を含む): 37646400

約数和(自身を除く): 23668240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 229, 280, 436, 458, 545, 560, 763, 872, 916, 1090, 1145, 1526, 1603, 1744, 1832, 2180, 2290, 3052, 3206, 3664, 3815, 4360, 4580, 6104, 6412, 7630, 8015, 8720, 9160, 12208, 12824, 15260, 16030, 18320, 24961, 25648, 30520, 32060, 49922, 61040, 64120, 99844, 124805, 128240, 174727, 199688, 249610, 349454, 399376, 499220, 698908, 873635, 998440, 1397816, 1747270, 1996880, 2795632, 3494540, 6989080, 13978160]

約数ペア:

[(1, 13978160), (2, 6989080), (4, 3494540), (5, 2795632), (7, 1996880), (8, 1747270), (10, 1397816), (14, 998440), (16, 873635), (20, 698908), (28, 499220), (35, 399376), (40, 349454), (56, 249610), (70, 199688), (80, 174727), (109, 128240), (112, 124805), (140, 99844), (218, 64120), (229, 61040), (280, 49922), (436, 32060), (458, 30520), (545, 25648), (560, 24961), (763, 18320), (872, 16030), (916, 15260), (1090, 12824), (1145, 12208), (1526, 9160), (1603, 8720), (1744, 8015), (1832, 7630), (2180, 6412), (2290, 6104), (3052, 4580), (3206, 4360), (3664, 3815)]