12999060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 39724776

約数和(自身を除く): 26725716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 281, 514, 562, 771, 843, 1028, 1124, 1285, 1405, 1542, 1686, 2313, 2529, 2570, 2810, 3084, 3372, 3855, 4215, 4626, 5058, 5140, 5620, 7710, 8430, 9252, 10116, 11565, 12645, 15420, 16860, 23130, 25290, 46260, 50580, 72217, 144434, 216651, 288868, 361085, 433302, 649953, 722170, 866604, 1083255, 1299906, 1444340, 2166510, 2599812, 3249765, 4333020, 6499530, 12999060]

約数ペア:

[(1, 12999060), (2, 6499530), (3, 4333020), (4, 3249765), (5, 2599812), (6, 2166510), (9, 1444340), (10, 1299906), (12, 1083255), (15, 866604), (18, 722170), (20, 649953), (30, 433302), (36, 361085), (45, 288868), (60, 216651), (90, 144434), (180, 72217), (257, 50580), (281, 46260), (514, 25290), (562, 23130), (771, 16860), (843, 15420), (1028, 12645), (1124, 11565), (1285, 10116), (1405, 9252), (1542, 8430), (1686, 7710), (2313, 5620), (2529, 5140), (2570, 5058), (2810, 4626), (3084, 4215), (3372, 3855)]