243662720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:560

約数の個数: 128

約数和(自身を含む): 672269760

約数和(自身を除く): 428607040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 137, 140, 160, 224, 274, 280, 320, 397, 448, 548, 560, 640, 685, 794, 896, 959, 1096, 1120, 1370, 1588, 1918, 1985, 2192, 2240, 2740, 2779, 3176, 3836, 3970, 4384, 4480, 4795, 5480, 5558, 6352, 7672, 7940, 8768, 9590, 10960, 11116, 12704, 13895, 15344, 15880, 17536, 19180, 21920, 22232, 25408, 27790, 30688, 31760, 38360, 43840, 44464, 50816, 54389, 55580, 61376, 63520, 76720, 87680, 88928, 108778, 111160, 122752, 127040, 153440, 177856, 217556, 222320, 254080, 271945, 306880, 355712, 380723, 435112, 444640, 543890, 613760, 761446, 870224, 889280, 1087780, 1522892, 1740448, 1778560, 1903615, 2175560, 3045784, 3480896, 3807230, 4351120, 6091568, 6961792, 7614460, 8702240, 12183136, 15228920, 17404480, 24366272, 30457840, 34808960, 48732544, 60915680, 121831360, 243662720]

約数ペア:

[(1, 243662720), (2, 121831360), (4, 60915680), (5, 48732544), (7, 34808960), (8, 30457840), (10, 24366272), (14, 17404480), (16, 15228920), (20, 12183136), (28, 8702240), (32, 7614460), (35, 6961792), (40, 6091568), (56, 4351120), (64, 3807230), (70, 3480896), (80, 3045784), (112, 2175560), (128, 1903615), (137, 1778560), (140, 1740448), (160, 1522892), (224, 1087780), (274, 889280), (280, 870224), (320, 761446), (397, 613760), (448, 543890), (548, 444640), (560, 435112), (640, 380723), (685, 355712), (794, 306880), (896, 271945), (959, 254080), (1096, 222320), (1120, 217556), (1370, 177856), (1588, 153440), (1918, 127040), (1985, 122752), (2192, 111160), (2240, 108778), (2740, 88928), (2779, 87680), (3176, 76720), (3836, 63520), (3970, 61376), (4384, 55580), (4480, 54389), (4795, 50816), (5480, 44464), (5558, 43840), (6352, 38360), (7672, 31760), (7940, 30688), (8768, 27790), (9590, 25408), (10960, 22232), (11116, 21920), (12704, 19180), (13895, 17536), (15344, 15880)]