71784810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21557}}^1$

素因数の和:21607

約数の個数: 48

約数和(自身を含む): 191693736

約数和(自身を除く): 119908926

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 1110, 1665, 3330, 21557, 43114, 64671, 107785, 129342, 194013, 215570, 323355, 388026, 646710, 797609, 970065, 1595218, 1940130, 2392827, 3988045, 4785654, 7178481, 7976090, 11964135, 14356962, 23928270, 35892405, 71784810]

約数ペア:

[(1, 71784810), (2, 35892405), (3, 23928270), (5, 14356962), (6, 11964135), (9, 7976090), (10, 7178481), (15, 4785654), (18, 3988045), (30, 2392827), (37, 1940130), (45, 1595218), (74, 970065), (90, 797609), (111, 646710), (185, 388026), (222, 323355), (333, 215570), (370, 194013), (555, 129342), (666, 107785), (1110, 64671), (1665, 43114), (3330, 21557)]