72288540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{919}}^1$

素因数の和:976

約数の個数: 144

約数和(自身を含む): 241113600

約数和(自身を除く): 168825060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 919, 1035, 1140, 1311, 1380, 1710, 1748, 1838, 2070, 2185, 2622, 2757, 3420, 3676, 3933, 4140, 4370, 4595, 5244, 5514, 6555, 7866, 8271, 8740, 9190, 11028, 13110, 13785, 15732, 16542, 17461, 18380, 19665, 21137, 26220, 27570, 33084, 34922, 39330, 41355, 42274, 52383, 55140, 63411, 69844, 78660, 82710, 84548, 87305, 104766, 105685, 126822, 157149, 165420, 174610, 190233, 209532, 211370, 253644, 261915, 314298, 317055, 349220, 380466, 401603, 422740, 523830, 628596, 634110, 760932, 785745, 803206, 951165, 1047660, 1204809, 1268220, 1571490, 1606412, 1902330, 2008015, 2409618, 3142980, 3614427, 3804660, 4016030, 4819236, 6024045, 7228854, 8032060, 12048090, 14457708, 18072135, 24096180, 36144270, 72288540]

約数ペア:

[(1, 72288540), (2, 36144270), (3, 24096180), (4, 18072135), (5, 14457708), (6, 12048090), (9, 8032060), (10, 7228854), (12, 6024045), (15, 4819236), (18, 4016030), (19, 3804660), (20, 3614427), (23, 3142980), (30, 2409618), (36, 2008015), (38, 1902330), (45, 1606412), (46, 1571490), (57, 1268220), (60, 1204809), (69, 1047660), (76, 951165), (90, 803206), (92, 785745), (95, 760932), (114, 634110), (115, 628596), (138, 523830), (171, 422740), (180, 401603), (190, 380466), (207, 349220), (228, 317055), (230, 314298), (276, 261915), (285, 253644), (342, 211370), (345, 209532), (380, 190233), (414, 174610), (437, 165420), (460, 157149), (570, 126822), (684, 105685), (690, 104766), (828, 87305), (855, 84548), (874, 82710), (919, 78660), (1035, 69844), (1140, 63411), (1311, 55140), (1380, 52383), (1710, 42274), (1748, 41355), (1838, 39330), (2070, 34922), (2185, 33084), (2622, 27570), (2757, 26220), (3420, 21137), (3676, 19665), (3933, 18380), (4140, 17461), (4370, 16542), (4595, 15732), (5244, 13785), (5514, 13110), (6555, 11028), (7866, 9190), (8271, 8740)]