173107720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{1019}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 405388800

約数和(自身を除く): 232281080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 248, 274, 310, 548, 620, 685, 1019, 1096, 1240, 1370, 2038, 2740, 4076, 4247, 5095, 5480, 8152, 8494, 10190, 16988, 20380, 21235, 31589, 33976, 40760, 42470, 63178, 84940, 126356, 139603, 157945, 169880, 252712, 279206, 315890, 558412, 631780, 698015, 1116824, 1263560, 1396030, 2792060, 4327693, 5584120, 8655386, 17310772, 21638465, 34621544, 43276930, 86553860, 173107720]

約数ペア:

[(1, 173107720), (2, 86553860), (4, 43276930), (5, 34621544), (8, 21638465), (10, 17310772), (20, 8655386), (31, 5584120), (40, 4327693), (62, 2792060), (124, 1396030), (137, 1263560), (155, 1116824), (248, 698015), (274, 631780), (310, 558412), (548, 315890), (620, 279206), (685, 252712), (1019, 169880), (1096, 157945), (1240, 139603), (1370, 126356), (2038, 84940), (2740, 63178), (4076, 42470), (4247, 40760), (5095, 33976), (5480, 31589), (8152, 21235), (8494, 20380), (10190, 16988)]