198504180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157543}}^1$

素因数の和:157565

約数の個数: 72

約数和(自身を含む): 688152192

約数和(自身を除く): 489648012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 157543, 315086, 472629, 630172, 787715, 945258, 1102801, 1417887, 1575430, 1890516, 2205602, 2363145, 2835774, 3150860, 3308403, 4411204, 4726290, 5514005, 5671548, 6616806, 7089435, 9452580, 9925209, 11028010, 13233612, 14178870, 16542015, 19850418, 22056020, 28357740, 33084030, 39700836, 49626045, 66168060, 99252090, 198504180]

約数ペア:

[(1, 198504180), (2, 99252090), (3, 66168060), (4, 49626045), (5, 39700836), (6, 33084030), (7, 28357740), (9, 22056020), (10, 19850418), (12, 16542015), (14, 14178870), (15, 13233612), (18, 11028010), (20, 9925209), (21, 9452580), (28, 7089435), (30, 6616806), (35, 5671548), (36, 5514005), (42, 4726290), (45, 4411204), (60, 3308403), (63, 3150860), (70, 2835774), (84, 2363145), (90, 2205602), (105, 1890516), (126, 1575430), (140, 1417887), (180, 1102801), (210, 945258), (252, 787715), (315, 630172), (420, 472629), (630, 315086), (1260, 157543)]