138214240

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^2\times {\mathrm{631}}^1$

素因数の和:720

約数の個数: 72

約数和(自身を含む): 336126672

約数和(自身を除く): 197912432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 631, 740, 1184, 1262, 1369, 1480, 2524, 2738, 2960, 3155, 5048, 5476, 5920, 6310, 6845, 10096, 10952, 12620, 13690, 20192, 21904, 23347, 25240, 27380, 43808, 46694, 50480, 54760, 93388, 100960, 109520, 116735, 186776, 219040, 233470, 373552, 466940, 747104, 863839, 933880, 1727678, 1867760, 3455356, 3735520, 4319195, 6910712, 8638390, 13821424, 17276780, 27642848, 34553560, 69107120, 138214240]

約数ペア:

[(1, 138214240), (2, 69107120), (4, 34553560), (5, 27642848), (8, 17276780), (10, 13821424), (16, 8638390), (20, 6910712), (32, 4319195), (37, 3735520), (40, 3455356), (74, 1867760), (80, 1727678), (148, 933880), (160, 863839), (185, 747104), (296, 466940), (370, 373552), (592, 233470), (631, 219040), (740, 186776), (1184, 116735), (1262, 109520), (1369, 100960), (1480, 93388), (2524, 54760), (2738, 50480), (2960, 46694), (3155, 43808), (5048, 27380), (5476, 25240), (5920, 23347), (6310, 21904), (6845, 20192), (10096, 13690), (10952, 12620)]