72768400

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1669}}^1$

素因数の和:1796

約数の個数: 60

約数和(自身を含む): 176535700

約数和(自身を除く): 103767300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 872, 1090, 1669, 1744, 2180, 2725, 3338, 4360, 5450, 6676, 8345, 8720, 10900, 13352, 16690, 21800, 26704, 33380, 41725, 43600, 66760, 83450, 133520, 166900, 181921, 333800, 363842, 667600, 727684, 909605, 1455368, 1819210, 2910736, 3638420, 4548025, 7276840, 9096050, 14553680, 18192100, 36384200, 72768400]

約数ペア:

[(1, 72768400), (2, 36384200), (4, 18192100), (5, 14553680), (8, 9096050), (10, 7276840), (16, 4548025), (20, 3638420), (25, 2910736), (40, 1819210), (50, 1455368), (80, 909605), (100, 727684), (109, 667600), (200, 363842), (218, 333800), (400, 181921), (436, 166900), (545, 133520), (872, 83450), (1090, 66760), (1669, 43600), (1744, 41725), (2180, 33380), (2725, 26704), (3338, 21800), (4360, 16690), (5450, 13352), (6676, 10900), (8345, 8720)]