3227720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 7948800

約数和(自身を除く): 4721080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 137, 152, 155, 190, 248, 274, 310, 380, 548, 589, 620, 685, 760, 1096, 1178, 1240, 1370, 2356, 2603, 2740, 2945, 4247, 4712, 5206, 5480, 5890, 8494, 10412, 11780, 13015, 16988, 20824, 21235, 23560, 26030, 33976, 42470, 52060, 80693, 84940, 104120, 161386, 169880, 322772, 403465, 645544, 806930, 1613860, 3227720]

約数ペア:

[(1, 3227720), (2, 1613860), (4, 806930), (5, 645544), (8, 403465), (10, 322772), (19, 169880), (20, 161386), (31, 104120), (38, 84940), (40, 80693), (62, 52060), (76, 42470), (95, 33976), (124, 26030), (137, 23560), (152, 21235), (155, 20824), (190, 16988), (248, 13015), (274, 11780), (310, 10412), (380, 8494), (548, 5890), (589, 5480), (620, 5206), (685, 4712), (760, 4247), (1096, 2945), (1178, 2740), (1240, 2603), (1370, 2356)]