78971200

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:681

約数の個数: 168

約数和(自身を含む): 242645184

約数和(自身を除く): 163673984

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 308, 320, 350, 352, 385, 400, 440, 448, 550, 560, 616, 641, 700, 704, 770, 800, 880, 1100, 1120, 1232, 1282, 1400, 1540, 1600, 1760, 1925, 2200, 2240, 2464, 2564, 2800, 3080, 3205, 3520, 3850, 4400, 4487, 4928, 5128, 5600, 6160, 6410, 7051, 7700, 8800, 8974, 10256, 11200, 12320, 12820, 14102, 15400, 16025, 17600, 17948, 20512, 22435, 24640, 25640, 28204, 30800, 32050, 35255, 35896, 41024, 44870, 49357, 51280, 56408, 61600, 64100, 70510, 71792, 89740, 98714, 102560, 112175, 112816, 123200, 128200, 141020, 143584, 176275, 179480, 197428, 205120, 224350, 225632, 246785, 256400, 282040, 287168, 352550, 358960, 394856, 448700, 451264, 493570, 512800, 564080, 705100, 717920, 789712, 897400, 987140, 1025600, 1128160, 1233925, 1410200, 1435840, 1579424, 1794800, 1974280, 2256320, 2467850, 2820400, 3158848, 3589600, 3948560, 4935700, 5640800, 7179200, 7897120, 9871400, 11281600, 15794240, 19742800, 39485600, 78971200]

約数ペア:

[(1, 78971200), (2, 39485600), (4, 19742800), (5, 15794240), (7, 11281600), (8, 9871400), (10, 7897120), (11, 7179200), (14, 5640800), (16, 4935700), (20, 3948560), (22, 3589600), (25, 3158848), (28, 2820400), (32, 2467850), (35, 2256320), (40, 1974280), (44, 1794800), (50, 1579424), (55, 1435840), (56, 1410200), (64, 1233925), (70, 1128160), (77, 1025600), (80, 987140), (88, 897400), (100, 789712), (110, 717920), (112, 705100), (140, 564080), (154, 512800), (160, 493570), (175, 451264), (176, 448700), (200, 394856), (220, 358960), (224, 352550), (275, 287168), (280, 282040), (308, 256400), (320, 246785), (350, 225632), (352, 224350), (385, 205120), (400, 197428), (440, 179480), (448, 176275), (550, 143584), (560, 141020), (616, 128200), (641, 123200), (700, 112816), (704, 112175), (770, 102560), (800, 98714), (880, 89740), (1100, 71792), (1120, 70510), (1232, 64100), (1282, 61600), (1400, 56408), (1540, 51280), (1600, 49357), (1760, 44870), (1925, 41024), (2200, 35896), (2240, 35255), (2464, 32050), (2564, 30800), (2800, 28204), (3080, 25640), (3205, 24640), (3520, 22435), (3850, 20512), (4400, 17948), (4487, 17600), (4928, 16025), (5128, 15400), (5600, 14102), (6160, 12820), (6410, 12320), (7051, 11200), (7700, 10256), (8800, 8974)]