78813900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:469

約数の個数: 216

約数和(自身を含む): 284356800

約数和(自身を除く): 205542900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 25, 30, 33, 36, 38, 44, 45, 50, 55, 57, 60, 66, 75, 76, 90, 95, 99, 100, 110, 114, 132, 150, 165, 171, 180, 190, 198, 209, 220, 225, 228, 275, 285, 300, 330, 342, 380, 396, 418, 419, 450, 475, 495, 550, 570, 627, 660, 684, 825, 836, 838, 855, 900, 950, 990, 1045, 1100, 1140, 1254, 1257, 1425, 1650, 1676, 1710, 1881, 1900, 1980, 2090, 2095, 2475, 2508, 2514, 2850, 3135, 3300, 3420, 3762, 3771, 4180, 4190, 4275, 4609, 4950, 5028, 5225, 5700, 6270, 6285, 7524, 7542, 7961, 8380, 8550, 9218, 9405, 9900, 10450, 10475, 12540, 12570, 13827, 15084, 15675, 15922, 17100, 18436, 18810, 18855, 20900, 20950, 23045, 23883, 25140, 27654, 31350, 31425, 31844, 37620, 37710, 39805, 41481, 41900, 46090, 47025, 47766, 55308, 62700, 62850, 69135, 71649, 75420, 79610, 82962, 87571, 92180, 94050, 94275, 95532, 115225, 119415, 125700, 138270, 143298, 159220, 165924, 175142, 188100, 188550, 199025, 207405, 230450, 238830, 262713, 276540, 286596, 345675, 350284, 358245, 377100, 398050, 414810, 437855, 460900, 477660, 525426, 597075, 691350, 716490, 788139, 796100, 829620, 875710, 1037025, 1050852, 1194150, 1313565, 1382700, 1432980, 1576278, 1751420, 1791225, 2074050, 2189275, 2388300, 2627130, 3152556, 3582450, 3940695, 4148100, 4378550, 5254260, 6567825, 7164900, 7881390, 8757100, 13135650, 15762780, 19703475, 26271300, 39406950, 78813900]

約数ペア:

[(1, 78813900), (2, 39406950), (3, 26271300), (4, 19703475), (5, 15762780), (6, 13135650), (9, 8757100), (10, 7881390), (11, 7164900), (12, 6567825), (15, 5254260), (18, 4378550), (19, 4148100), (20, 3940695), (22, 3582450), (25, 3152556), (30, 2627130), (33, 2388300), (36, 2189275), (38, 2074050), (44, 1791225), (45, 1751420), (50, 1576278), (55, 1432980), (57, 1382700), (60, 1313565), (66, 1194150), (75, 1050852), (76, 1037025), (90, 875710), (95, 829620), (99, 796100), (100, 788139), (110, 716490), (114, 691350), (132, 597075), (150, 525426), (165, 477660), (171, 460900), (180, 437855), (190, 414810), (198, 398050), (209, 377100), (220, 358245), (225, 350284), (228, 345675), (275, 286596), (285, 276540), (300, 262713), (330, 238830), (342, 230450), (380, 207405), (396, 199025), (418, 188550), (419, 188100), (450, 175142), (475, 165924), (495, 159220), (550, 143298), (570, 138270), (627, 125700), (660, 119415), (684, 115225), (825, 95532), (836, 94275), (838, 94050), (855, 92180), (900, 87571), (950, 82962), (990, 79610), (1045, 75420), (1100, 71649), (1140, 69135), (1254, 62850), (1257, 62700), (1425, 55308), (1650, 47766), (1676, 47025), (1710, 46090), (1881, 41900), (1900, 41481), (1980, 39805), (2090, 37710), (2095, 37620), (2475, 31844), (2508, 31425), (2514, 31350), (2850, 27654), (3135, 25140), (3300, 23883), (3420, 23045), (3762, 20950), (3771, 20900), (4180, 18855), (4190, 18810), (4275, 18436), (4609, 17100), (4950, 15922), (5028, 15675), (5225, 15084), (5700, 13827), (6270, 12570), (6285, 12540), (7524, 10475), (7542, 10450), (7961, 9900), (8380, 9405), (8550, 9218)]