221274180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{997}}^1$

素因数の和:1155

約数の個数: 120

約数和(自身を含む): 699913368

約数和(自身を除く): 478639188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 270, 274, 324, 405, 411, 540, 548, 685, 810, 822, 997, 1233, 1370, 1620, 1644, 1994, 2055, 2466, 2740, 2991, 3699, 3988, 4110, 4932, 4985, 5982, 6165, 7398, 8220, 8973, 9970, 11097, 11964, 12330, 14796, 14955, 17946, 18495, 19940, 22194, 24660, 26919, 29910, 35892, 36990, 44388, 44865, 53838, 55485, 59820, 73980, 80757, 89730, 107676, 110970, 134595, 136589, 161514, 179460, 221940, 269190, 273178, 323028, 403785, 409767, 538380, 546356, 682945, 807570, 819534, 1229301, 1365890, 1615140, 1639068, 2048835, 2458602, 2731780, 3687903, 4097670, 4917204, 6146505, 7375806, 8195340, 11063709, 12293010, 14751612, 18439515, 22127418, 24586020, 36879030, 44254836, 55318545, 73758060, 110637090, 221274180]

約数ペア:

[(1, 221274180), (2, 110637090), (3, 73758060), (4, 55318545), (5, 44254836), (6, 36879030), (9, 24586020), (10, 22127418), (12, 18439515), (15, 14751612), (18, 12293010), (20, 11063709), (27, 8195340), (30, 7375806), (36, 6146505), (45, 4917204), (54, 4097670), (60, 3687903), (81, 2731780), (90, 2458602), (108, 2048835), (135, 1639068), (137, 1615140), (162, 1365890), (180, 1229301), (270, 819534), (274, 807570), (324, 682945), (405, 546356), (411, 538380), (540, 409767), (548, 403785), (685, 323028), (810, 273178), (822, 269190), (997, 221940), (1233, 179460), (1370, 161514), (1620, 136589), (1644, 134595), (1994, 110970), (2055, 107676), (2466, 89730), (2740, 80757), (2991, 73980), (3699, 59820), (3988, 55485), (4110, 53838), (4932, 44865), (4985, 44388), (5982, 36990), (6165, 35892), (7398, 29910), (8220, 26919), (8973, 24660), (9970, 22194), (11097, 19940), (11964, 18495), (12330, 17946), (14796, 14955)]