212178780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1061}}^1$

素因数の和:1188

約数の個数: 144

約数和(自身を含む): 709738848

約数和(自身を除く): 497560068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 101, 110, 132, 165, 180, 198, 202, 220, 303, 330, 396, 404, 495, 505, 606, 660, 909, 990, 1010, 1061, 1111, 1212, 1515, 1818, 1980, 2020, 2122, 2222, 3030, 3183, 3333, 3636, 4244, 4444, 4545, 5305, 5555, 6060, 6366, 6666, 9090, 9549, 9999, 10610, 11110, 11671, 12732, 13332, 15915, 16665, 18180, 19098, 19998, 21220, 22220, 23342, 31830, 33330, 35013, 38196, 39996, 46684, 47745, 49995, 58355, 63660, 66660, 70026, 95490, 99990, 105039, 107161, 116710, 140052, 175065, 190980, 199980, 210078, 214322, 233420, 321483, 350130, 420156, 428644, 525195, 535805, 642966, 700260, 964449, 1050390, 1071610, 1178771, 1285932, 1607415, 1928898, 2100780, 2143220, 2357542, 3214830, 3536313, 3857796, 4715084, 4822245, 5893855, 6429660, 7072626, 9644490, 10608939, 11787710, 14145252, 17681565, 19288980, 21217878, 23575420, 35363130, 42435756, 53044695, 70726260, 106089390, 212178780]

約数ペア:

[(1, 212178780), (2, 106089390), (3, 70726260), (4, 53044695), (5, 42435756), (6, 35363130), (9, 23575420), (10, 21217878), (11, 19288980), (12, 17681565), (15, 14145252), (18, 11787710), (20, 10608939), (22, 9644490), (30, 7072626), (33, 6429660), (36, 5893855), (44, 4822245), (45, 4715084), (55, 3857796), (60, 3536313), (66, 3214830), (90, 2357542), (99, 2143220), (101, 2100780), (110, 1928898), (132, 1607415), (165, 1285932), (180, 1178771), (198, 1071610), (202, 1050390), (220, 964449), (303, 700260), (330, 642966), (396, 535805), (404, 525195), (495, 428644), (505, 420156), (606, 350130), (660, 321483), (909, 233420), (990, 214322), (1010, 210078), (1061, 199980), (1111, 190980), (1212, 175065), (1515, 140052), (1818, 116710), (1980, 107161), (2020, 105039), (2122, 99990), (2222, 95490), (3030, 70026), (3183, 66660), (3333, 63660), (3636, 58355), (4244, 49995), (4444, 47745), (4545, 46684), (5305, 39996), (5555, 38196), (6060, 35013), (6366, 33330), (6666, 31830), (9090, 23342), (9549, 22220), (9999, 21220), (10610, 19998), (11110, 19098), (11671, 18180), (12732, 16665), (13332, 15915)]