157450760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 363124080

約数和(自身を除く): 205673320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 173, 244, 305, 346, 373, 488, 610, 692, 746, 865, 1220, 1384, 1492, 1730, 1865, 2440, 2984, 3460, 3730, 6920, 7460, 10553, 14920, 21106, 22753, 42212, 45506, 52765, 64529, 84424, 91012, 105530, 113765, 129058, 182024, 211060, 227530, 258116, 322645, 422120, 455060, 516232, 645290, 910120, 1290580, 2581160, 3936269, 7872538, 15745076, 19681345, 31490152, 39362690, 78725380, 157450760]

約数ペア:

[(1, 157450760), (2, 78725380), (4, 39362690), (5, 31490152), (8, 19681345), (10, 15745076), (20, 7872538), (40, 3936269), (61, 2581160), (122, 1290580), (173, 910120), (244, 645290), (305, 516232), (346, 455060), (373, 422120), (488, 322645), (610, 258116), (692, 227530), (746, 211060), (865, 182024), (1220, 129058), (1384, 113765), (1492, 105530), (1730, 91012), (1865, 84424), (2440, 64529), (2984, 52765), (3460, 45506), (3730, 42212), (6920, 22753), (7460, 21106), (10553, 14920)]