91395440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 221771520

約数和(自身を除く): 130376080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 137, 155, 248, 269, 274, 310, 496, 538, 548, 620, 685, 1076, 1096, 1240, 1345, 1370, 2152, 2192, 2480, 2690, 2740, 4247, 4304, 5380, 5480, 8339, 8494, 10760, 10960, 16678, 16988, 21235, 21520, 33356, 33976, 36853, 41695, 42470, 66712, 67952, 73706, 83390, 84940, 133424, 147412, 166780, 169880, 184265, 294824, 333560, 339760, 368530, 589648, 667120, 737060, 1142443, 1474120, 2284886, 2948240, 4569772, 5712215, 9139544, 11424430, 18279088, 22848860, 45697720, 91395440]

約数ペア:

[(1, 91395440), (2, 45697720), (4, 22848860), (5, 18279088), (8, 11424430), (10, 9139544), (16, 5712215), (20, 4569772), (31, 2948240), (40, 2284886), (62, 1474120), (80, 1142443), (124, 737060), (137, 667120), (155, 589648), (248, 368530), (269, 339760), (274, 333560), (310, 294824), (496, 184265), (538, 169880), (548, 166780), (620, 147412), (685, 133424), (1076, 84940), (1096, 83390), (1240, 73706), (1345, 67952), (1370, 66712), (2152, 42470), (2192, 41695), (2480, 36853), (2690, 33976), (2740, 33356), (4247, 21520), (4304, 21235), (5380, 16988), (5480, 16678), (8339, 10960), (8494, 10760)]