82164560

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 197197200

約数和(自身を除く): 115032640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 113, 122, 149, 226, 244, 298, 305, 452, 488, 565, 596, 610, 745, 904, 976, 1130, 1192, 1220, 1490, 1808, 2260, 2384, 2440, 2980, 4520, 4880, 5960, 6893, 9040, 9089, 11920, 13786, 16837, 18178, 27572, 33674, 34465, 36356, 45445, 55144, 67348, 68930, 72712, 84185, 90890, 110288, 134696, 137860, 145424, 168370, 181780, 269392, 275720, 336740, 363560, 551440, 673480, 727120, 1027057, 1346960, 2054114, 4108228, 5135285, 8216456, 10270570, 16432912, 20541140, 41082280, 82164560]

約数ペア:

[(1, 82164560), (2, 41082280), (4, 20541140), (5, 16432912), (8, 10270570), (10, 8216456), (16, 5135285), (20, 4108228), (40, 2054114), (61, 1346960), (80, 1027057), (113, 727120), (122, 673480), (149, 551440), (226, 363560), (244, 336740), (298, 275720), (305, 269392), (452, 181780), (488, 168370), (565, 145424), (596, 137860), (610, 134696), (745, 110288), (904, 90890), (976, 84185), (1130, 72712), (1192, 68930), (1220, 67348), (1490, 55144), (1808, 45445), (2260, 36356), (2384, 34465), (2440, 33674), (2980, 27572), (4520, 18178), (4880, 16837), (5960, 13786), (6893, 11920), (9040, 9089)]