28759260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 84091392

約数和(自身を除く): 55332132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 71, 86, 129, 142, 157, 172, 213, 215, 258, 284, 314, 355, 426, 430, 471, 516, 628, 645, 710, 785, 852, 860, 942, 1065, 1290, 1420, 1570, 1884, 2130, 2355, 2580, 3053, 3140, 4260, 4710, 6106, 6751, 9159, 9420, 11147, 12212, 13502, 15265, 18318, 20253, 22294, 27004, 30530, 33441, 33755, 36636, 40506, 44588, 45795, 55735, 61060, 66882, 67510, 81012, 91590, 101265, 111470, 133764, 135020, 167205, 183180, 202530, 222940, 334410, 405060, 479321, 668820, 958642, 1437963, 1917284, 2396605, 2875926, 4793210, 5751852, 7189815, 9586420, 14379630, 28759260]

約数ペア:

[(1, 28759260), (2, 14379630), (3, 9586420), (4, 7189815), (5, 5751852), (6, 4793210), (10, 2875926), (12, 2396605), (15, 1917284), (20, 1437963), (30, 958642), (43, 668820), (60, 479321), (71, 405060), (86, 334410), (129, 222940), (142, 202530), (157, 183180), (172, 167205), (213, 135020), (215, 133764), (258, 111470), (284, 101265), (314, 91590), (355, 81012), (426, 67510), (430, 66882), (471, 61060), (516, 55735), (628, 45795), (645, 44588), (710, 40506), (785, 36636), (852, 33755), (860, 33441), (942, 30530), (1065, 27004), (1290, 22294), (1420, 20253), (1570, 18318), (1884, 15265), (2130, 13502), (2355, 12212), (2580, 11147), (3053, 9420), (3140, 9159), (4260, 6751), (4710, 6106)]