172528780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2\times {\mathrm{83}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 383825232

約数和(自身を除く): 211296452

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 83, 106, 148, 166, 185, 212, 265, 332, 370, 415, 530, 740, 830, 1060, 1660, 1961, 2809, 3071, 3922, 4399, 5618, 6142, 7844, 8798, 9805, 11236, 12284, 14045, 15355, 17596, 19610, 21995, 28090, 30710, 39220, 43990, 56180, 61420, 87980, 103933, 162763, 207866, 233147, 325526, 415732, 466294, 519665, 651052, 813815, 932588, 1039330, 1165735, 1627630, 2078660, 2331470, 3255260, 4662940, 8626439, 17252878, 34505756, 43132195, 86264390, 172528780]

約数ペア:

[(1, 172528780), (2, 86264390), (4, 43132195), (5, 34505756), (10, 17252878), (20, 8626439), (37, 4662940), (53, 3255260), (74, 2331470), (83, 2078660), (106, 1627630), (148, 1165735), (166, 1039330), (185, 932588), (212, 813815), (265, 651052), (332, 519665), (370, 466294), (415, 415732), (530, 325526), (740, 233147), (830, 207866), (1060, 162763), (1660, 103933), (1961, 87980), (2809, 61420), (3071, 56180), (3922, 43990), (4399, 39220), (5618, 30710), (6142, 28090), (7844, 21995), (8798, 19610), (9805, 17596), (11236, 15355), (12284, 14045)]