218512661920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{679793}}^1$

素因数の和:679863

約数の個数: 144

約数和(自身を含む): 615167344008

約数和(自身を除く): 396654682088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 160, 164, 196, 205, 224, 245, 280, 287, 328, 392, 410, 490, 560, 574, 656, 784, 820, 980, 1120, 1148, 1312, 1435, 1568, 1640, 1960, 2009, 2296, 2870, 3280, 3920, 4018, 4592, 5740, 6560, 7840, 8036, 9184, 10045, 11480, 16072, 20090, 22960, 32144, 40180, 45920, 64288, 80360, 160720, 321440, 679793, 1359586, 2719172, 3398965, 4758551, 5438344, 6797930, 9517102, 10876688, 13595860, 19034204, 21753376, 23792755, 27191720, 27871513, 33309857, 38068408, 47585510, 54383440, 55743026, 66619714, 76136816, 95171020, 108766880, 111486052, 133239428, 139357565, 152273632, 166549285, 190342040, 195100591, 222972104, 266478856, 278715130, 333098570, 380684080, 390201182, 445944208, 532957712, 557430260, 666197140, 761368160, 780402364, 891888416, 975502955, 1065915424, 1114860520, 1332394280, 1365704137, 1560804728, 1951005910, 2229721040, 2664788560, 2731408274, 3121609456, 3902011820, 4459442080, 5329577120, 5462816548, 6243218912, 6828520685, 7804023640, 10925633096, 13657041370, 15608047280, 21851266192, 27314082740, 31216094560, 43702532384, 54628165480, 109256330960, 218512661920]

約数ペア:

[(1, 218512661920), (2, 109256330960), (4, 54628165480), (5, 43702532384), (7, 31216094560), (8, 27314082740), (10, 21851266192), (14, 15608047280), (16, 13657041370), (20, 10925633096), (28, 7804023640), (32, 6828520685), (35, 6243218912), (40, 5462816548), (41, 5329577120), (49, 4459442080), (56, 3902011820), (70, 3121609456), (80, 2731408274), (82, 2664788560), (98, 2229721040), (112, 1951005910), (140, 1560804728), (160, 1365704137), (164, 1332394280), (196, 1114860520), (205, 1065915424), (224, 975502955), (245, 891888416), (280, 780402364), (287, 761368160), (328, 666197140), (392, 557430260), (410, 532957712), (490, 445944208), (560, 390201182), (574, 380684080), (656, 333098570), (784, 278715130), (820, 266478856), (980, 222972104), (1120, 195100591), (1148, 190342040), (1312, 166549285), (1435, 152273632), (1568, 139357565), (1640, 133239428), (1960, 111486052), (2009, 108766880), (2296, 95171020), (2870, 76136816), (3280, 66619714), (3920, 55743026), (4018, 54383440), (4592, 47585510), (5740, 38068408), (6560, 33309857), (7840, 27871513), (8036, 27191720), (9184, 23792755), (10045, 21753376), (11480, 19034204), (16072, 13595860), (20090, 10876688), (22960, 9517102), (32144, 6797930), (40180, 5438344), (45920, 4758551), (64288, 3398965), (80360, 2719172), (160720, 1359586), (321440, 679793)]