55544220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 180180000

約数和(自身を除く): 124635780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 109, 114, 149, 171, 180, 190, 218, 228, 285, 298, 327, 342, 380, 436, 447, 545, 570, 596, 654, 684, 745, 855, 894, 981, 1090, 1140, 1308, 1341, 1490, 1635, 1710, 1788, 1962, 2071, 2180, 2235, 2682, 2831, 2980, 3270, 3420, 3924, 4142, 4470, 4905, 5364, 5662, 6213, 6540, 6705, 8284, 8493, 8940, 9810, 10355, 11324, 12426, 13410, 14155, 16241, 16986, 18639, 19620, 20710, 24852, 25479, 26820, 28310, 31065, 32482, 33972, 37278, 41420, 42465, 48723, 50958, 56620, 62130, 64964, 74556, 81205, 84930, 93195, 97446, 101916, 124260, 127395, 146169, 162410, 169860, 186390, 194892, 243615, 254790, 292338, 308579, 324820, 372780, 487230, 509580, 584676, 617158, 730845, 925737, 974460, 1234316, 1461690, 1542895, 1851474, 2777211, 2923380, 3085790, 3702948, 4628685, 5554422, 6171580, 9257370, 11108844, 13886055, 18514740, 27772110, 55544220]

約数ペア:

[(1, 55544220), (2, 27772110), (3, 18514740), (4, 13886055), (5, 11108844), (6, 9257370), (9, 6171580), (10, 5554422), (12, 4628685), (15, 3702948), (18, 3085790), (19, 2923380), (20, 2777211), (30, 1851474), (36, 1542895), (38, 1461690), (45, 1234316), (57, 974460), (60, 925737), (76, 730845), (90, 617158), (95, 584676), (109, 509580), (114, 487230), (149, 372780), (171, 324820), (180, 308579), (190, 292338), (218, 254790), (228, 243615), (285, 194892), (298, 186390), (327, 169860), (342, 162410), (380, 146169), (436, 127395), (447, 124260), (545, 101916), (570, 97446), (596, 93195), (654, 84930), (684, 81205), (745, 74556), (855, 64964), (894, 62130), (981, 56620), (1090, 50958), (1140, 48723), (1308, 42465), (1341, 41420), (1490, 37278), (1635, 33972), (1710, 32482), (1788, 31065), (1962, 28310), (2071, 26820), (2180, 25479), (2235, 24852), (2682, 20710), (2831, 19620), (2980, 18639), (3270, 16986), (3420, 16241), (3924, 14155), (4142, 13410), (4470, 12426), (4905, 11324), (5364, 10355), (5662, 9810), (6213, 8940), (6540, 8493), (6705, 8284)]