12558420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{9967}}^1$

素因数の和:9989

約数の個数: 72

約数和(自身を含む): 43540224

約数和(自身を除く): 30981804

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, 9967, 19934, 29901, 39868, 49835, 59802, 69769, 89703, 99670, 119604, 139538, 149505, 179406, 199340, 209307, 279076, 299010, 348845, 358812, 418614, 448515, 598020, 627921, 697690, 837228, 897030, 1046535, 1255842, 1395380, 1794060, 2093070, 2511684, 3139605, 4186140, 6279210, 12558420]

約数ペア:

[(1, 12558420), (2, 6279210), (3, 4186140), (4, 3139605), (5, 2511684), (6, 2093070), (7, 1794060), (9, 1395380), (10, 1255842), (12, 1046535), (14, 897030), (15, 837228), (18, 697690), (20, 627921), (21, 598020), (28, 448515), (30, 418614), (35, 358812), (36, 348845), (42, 299010), (45, 279076), (60, 209307), (63, 199340), (70, 179406), (84, 149505), (90, 139538), (105, 119604), (126, 99670), (140, 89703), (180, 69769), (210, 59802), (252, 49835), (315, 39868), (420, 29901), (630, 19934), (1260, 9967)]