71839240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3797}}^1$

素因数の和:3862

約数の個数: 64

約数和(自身を含む): 180480960

約数和(自身を除く): 108641720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 3797, 4730, 7594, 9460, 15188, 18920, 18985, 30376, 37970, 41767, 75940, 83534, 151880, 163271, 167068, 208835, 326542, 334136, 417670, 653084, 816355, 835340, 1306168, 1632710, 1670680, 1795981, 3265420, 3591962, 6530840, 7183924, 8979905, 14367848, 17959810, 35919620, 71839240]

約数ペア:

[(1, 71839240), (2, 35919620), (4, 17959810), (5, 14367848), (8, 8979905), (10, 7183924), (11, 6530840), (20, 3591962), (22, 3265420), (40, 1795981), (43, 1670680), (44, 1632710), (55, 1306168), (86, 835340), (88, 816355), (110, 653084), (172, 417670), (215, 334136), (220, 326542), (344, 208835), (430, 167068), (440, 163271), (473, 151880), (860, 83534), (946, 75940), (1720, 41767), (1892, 37970), (2365, 30376), (3784, 18985), (3797, 18920), (4730, 15188), (7594, 9460)]