172940280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{751}}^1$

素因数の和:885

約数の個数: 128

約数和(自身を含む): 552268800

約数和(自身を除く): 379328520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 101, 114, 120, 152, 190, 202, 228, 285, 303, 380, 404, 456, 505, 570, 606, 751, 760, 808, 1010, 1140, 1212, 1502, 1515, 1919, 2020, 2253, 2280, 2424, 3004, 3030, 3755, 3838, 4040, 4506, 5757, 6008, 6060, 7510, 7676, 9012, 9595, 11265, 11514, 12120, 14269, 15020, 15352, 18024, 19190, 22530, 23028, 28538, 28785, 30040, 38380, 42807, 45060, 46056, 57076, 57570, 71345, 75851, 76760, 85614, 90120, 114152, 115140, 142690, 151702, 171228, 214035, 227553, 230280, 285380, 303404, 342456, 379255, 428070, 455106, 570760, 606808, 758510, 856140, 910212, 1137765, 1441169, 1517020, 1712280, 1820424, 2275530, 2882338, 3034040, 4323507, 4551060, 5764676, 7205845, 8647014, 9102120, 11529352, 14411690, 17294028, 21617535, 28823380, 34588056, 43235070, 57646760, 86470140, 172940280]

約数ペア:

[(1, 172940280), (2, 86470140), (3, 57646760), (4, 43235070), (5, 34588056), (6, 28823380), (8, 21617535), (10, 17294028), (12, 14411690), (15, 11529352), (19, 9102120), (20, 8647014), (24, 7205845), (30, 5764676), (38, 4551060), (40, 4323507), (57, 3034040), (60, 2882338), (76, 2275530), (95, 1820424), (101, 1712280), (114, 1517020), (120, 1441169), (152, 1137765), (190, 910212), (202, 856140), (228, 758510), (285, 606808), (303, 570760), (380, 455106), (404, 428070), (456, 379255), (505, 342456), (570, 303404), (606, 285380), (751, 230280), (760, 227553), (808, 214035), (1010, 171228), (1140, 151702), (1212, 142690), (1502, 115140), (1515, 114152), (1919, 90120), (2020, 85614), (2253, 76760), (2280, 75851), (2424, 71345), (3004, 57570), (3030, 57076), (3755, 46056), (3838, 45060), (4040, 42807), (4506, 38380), (5757, 30040), (6008, 28785), (6060, 28538), (7510, 23028), (7676, 22530), (9012, 19190), (9595, 18024), (11265, 15352), (11514, 15020), (12120, 14269)]