12491220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29741}}^1$

素因数の和:29760

約数の個数: 48

約数和(自身を含む): 39973248

約数和(自身を除く): 27482028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 29741, 59482, 89223, 118964, 148705, 178446, 208187, 297410, 356892, 416374, 446115, 594820, 624561, 832748, 892230, 1040935, 1249122, 1784460, 2081870, 2498244, 3122805, 4163740, 6245610, 12491220]

約数ペア:

[(1, 12491220), (2, 6245610), (3, 4163740), (4, 3122805), (5, 2498244), (6, 2081870), (7, 1784460), (10, 1249122), (12, 1040935), (14, 892230), (15, 832748), (20, 624561), (21, 594820), (28, 446115), (30, 416374), (35, 356892), (42, 297410), (60, 208187), (70, 178446), (84, 148705), (105, 118964), (140, 89223), (210, 59482), (420, 29741)]