66932720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 162632448

約数和(自身を除く): 95699728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 197, 248, 274, 310, 394, 496, 548, 620, 685, 788, 985, 1096, 1240, 1370, 1576, 1970, 2192, 2480, 2740, 3152, 3940, 4247, 5480, 6107, 7880, 8494, 10960, 12214, 15760, 16988, 21235, 24428, 26989, 30535, 33976, 42470, 48856, 53978, 61070, 67952, 84940, 97712, 107956, 122140, 134945, 169880, 215912, 244280, 269890, 339760, 431824, 488560, 539780, 836659, 1079560, 1673318, 2159120, 3346636, 4183295, 6693272, 8366590, 13386544, 16733180, 33466360, 66932720]

約数ペア:

[(1, 66932720), (2, 33466360), (4, 16733180), (5, 13386544), (8, 8366590), (10, 6693272), (16, 4183295), (20, 3346636), (31, 2159120), (40, 1673318), (62, 1079560), (80, 836659), (124, 539780), (137, 488560), (155, 431824), (197, 339760), (248, 269890), (274, 244280), (310, 215912), (394, 169880), (496, 134945), (548, 122140), (620, 107956), (685, 97712), (788, 84940), (985, 67952), (1096, 61070), (1240, 53978), (1370, 48856), (1576, 42470), (1970, 33976), (2192, 30535), (2480, 26989), (2740, 24428), (3152, 21235), (3940, 16988), (4247, 15760), (5480, 12214), (6107, 10960), (7880, 8494)]