49720140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{983}}^1$

素因数の和:1279

約数の個数: 72

約数和(自身を含む): 151508448

約数和(自身を除く): 101788308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 562, 843, 983, 1124, 1405, 1686, 1966, 2529, 2810, 2949, 3372, 3932, 4215, 4915, 5058, 5620, 5898, 8430, 8847, 9830, 10116, 11796, 12645, 14745, 16860, 17694, 19660, 25290, 29490, 35388, 44235, 50580, 58980, 88470, 176940, 276223, 552446, 828669, 1104892, 1381115, 1657338, 2486007, 2762230, 3314676, 4143345, 4972014, 5524460, 8286690, 9944028, 12430035, 16573380, 24860070, 49720140]

約数ペア:

[(1, 49720140), (2, 24860070), (3, 16573380), (4, 12430035), (5, 9944028), (6, 8286690), (9, 5524460), (10, 4972014), (12, 4143345), (15, 3314676), (18, 2762230), (20, 2486007), (30, 1657338), (36, 1381115), (45, 1104892), (60, 828669), (90, 552446), (180, 276223), (281, 176940), (562, 88470), (843, 58980), (983, 50580), (1124, 44235), (1405, 35388), (1686, 29490), (1966, 25290), (2529, 19660), (2810, 17694), (2949, 16860), (3372, 14745), (3932, 12645), (4215, 11796), (4915, 10116), (5058, 9830), (5620, 8847), (5898, 8430)]