78127720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4799}}^1$

素因数の和:4858

約数の個数: 64

約数和(自身を含む): 196992000

約数和(自身を除く): 118864280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1628, 2035, 3256, 4070, 4799, 8140, 9598, 16280, 19196, 23995, 38392, 47990, 52789, 95980, 105578, 177563, 191960, 211156, 263945, 355126, 422312, 527890, 710252, 887815, 1055780, 1420504, 1775630, 1953193, 2111560, 3551260, 3906386, 7102520, 7812772, 9765965, 15625544, 19531930, 39063860, 78127720]

約数ペア:

[(1, 78127720), (2, 39063860), (4, 19531930), (5, 15625544), (8, 9765965), (10, 7812772), (11, 7102520), (20, 3906386), (22, 3551260), (37, 2111560), (40, 1953193), (44, 1775630), (55, 1420504), (74, 1055780), (88, 887815), (110, 710252), (148, 527890), (185, 422312), (220, 355126), (296, 263945), (370, 211156), (407, 191960), (440, 177563), (740, 105578), (814, 95980), (1480, 52789), (1628, 47990), (2035, 38392), (3256, 23995), (4070, 19196), (4799, 16280), (8140, 9598)]