30178260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 107243136

約数和(自身を除く): 77064876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 557, 602, 630, 645, 774, 860, 903, 1114, 1204, 1260, 1290, 1505, 1548, 1671, 1806, 1935, 2228, 2580, 2709, 2785, 3010, 3342, 3612, 3870, 3899, 4515, 5013, 5418, 5570, 6020, 6684, 7740, 7798, 8355, 9030, 10026, 10836, 11140, 11697, 13545, 15596, 16710, 18060, 19495, 20052, 23394, 23951, 25065, 27090, 33420, 35091, 38990, 46788, 47902, 50130, 54180, 58485, 70182, 71853, 77980, 95804, 100260, 116970, 119755, 140364, 143706, 167657, 175455, 215559, 233940, 239510, 287412, 335314, 350910, 359265, 431118, 479020, 502971, 670628, 701820, 718530, 838285, 862236, 1005942, 1077795, 1437060, 1508913, 1676570, 2011884, 2155590, 2514855, 3017826, 3353140, 4311180, 5029710, 6035652, 7544565, 10059420, 15089130, 30178260]

約数ペア:

[(1, 30178260), (2, 15089130), (3, 10059420), (4, 7544565), (5, 6035652), (6, 5029710), (7, 4311180), (9, 3353140), (10, 3017826), (12, 2514855), (14, 2155590), (15, 2011884), (18, 1676570), (20, 1508913), (21, 1437060), (28, 1077795), (30, 1005942), (35, 862236), (36, 838285), (42, 718530), (43, 701820), (45, 670628), (60, 502971), (63, 479020), (70, 431118), (84, 359265), (86, 350910), (90, 335314), (105, 287412), (126, 239510), (129, 233940), (140, 215559), (172, 175455), (180, 167657), (210, 143706), (215, 140364), (252, 119755), (258, 116970), (301, 100260), (315, 95804), (387, 77980), (420, 71853), (430, 70182), (516, 58485), (557, 54180), (602, 50130), (630, 47902), (645, 46788), (774, 38990), (860, 35091), (903, 33420), (1114, 27090), (1204, 25065), (1260, 23951), (1290, 23394), (1505, 20052), (1548, 19495), (1671, 18060), (1806, 16710), (1935, 15596), (2228, 13545), (2580, 11697), (2709, 11140), (2785, 10836), (3010, 10026), (3342, 9030), (3612, 8355), (3870, 7798), (3899, 7740), (4515, 6684), (5013, 6020), (5418, 5570)]