12845070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{20389}}^1$

素因数の和:20409

約数の個数: 48

約数和(自身を含む): 38170080

約数和(自身を除く): 25325010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 20389, 40778, 61167, 101945, 122334, 142723, 183501, 203890, 285446, 305835, 367002, 428169, 611670, 713615, 856338, 917505, 1284507, 1427230, 1835010, 2140845, 2569014, 4281690, 6422535, 12845070]

約数ペア:

[(1, 12845070), (2, 6422535), (3, 4281690), (5, 2569014), (6, 2140845), (7, 1835010), (9, 1427230), (10, 1284507), (14, 917505), (15, 856338), (18, 713615), (21, 611670), (30, 428169), (35, 367002), (42, 305835), (45, 285446), (63, 203890), (70, 183501), (90, 142723), (105, 122334), (126, 101945), (210, 61167), (315, 40778), (630, 20389)]