80702570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{53}}^2$

素因数の和:156

約数の個数: 72

約数和(自身を含む): 169752996

約数和(自身を除く): 89050426

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 169, 170, 221, 265, 338, 442, 530, 689, 845, 901, 1105, 1378, 1690, 1802, 2210, 2809, 2873, 3445, 4505, 5618, 5746, 6890, 8957, 9010, 11713, 14045, 14365, 17914, 23426, 28090, 28730, 36517, 44785, 47753, 58565, 73034, 89570, 95506, 117130, 152269, 182585, 238765, 304538, 365170, 474721, 477530, 620789, 761345, 949442, 1241578, 1522690, 2373605, 3103945, 4747210, 6207890, 8070257, 16140514, 40351285, 80702570]

約数ペア:

[(1, 80702570), (2, 40351285), (5, 16140514), (10, 8070257), (13, 6207890), (17, 4747210), (26, 3103945), (34, 2373605), (53, 1522690), (65, 1241578), (85, 949442), (106, 761345), (130, 620789), (169, 477530), (170, 474721), (221, 365170), (265, 304538), (338, 238765), (442, 182585), (530, 152269), (689, 117130), (845, 95506), (901, 89570), (1105, 73034), (1378, 58565), (1690, 47753), (1802, 44785), (2210, 36517), (2809, 28730), (2873, 28090), (3445, 23426), (4505, 17914), (5618, 14365), (5746, 14045), (6890, 11713), (8957, 9010)]