66061780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 142272144

約数和(自身を除く): 76210364

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 173, 244, 305, 313, 346, 610, 626, 692, 865, 1220, 1252, 1565, 1730, 3130, 3460, 6260, 10553, 19093, 21106, 38186, 42212, 52765, 54149, 76372, 95465, 105530, 108298, 190930, 211060, 216596, 270745, 381860, 541490, 1082980, 3303089, 6606178, 13212356, 16515445, 33030890, 66061780]

約数ペア:

[(1, 66061780), (2, 33030890), (4, 16515445), (5, 13212356), (10, 6606178), (20, 3303089), (61, 1082980), (122, 541490), (173, 381860), (244, 270745), (305, 216596), (313, 211060), (346, 190930), (610, 108298), (626, 105530), (692, 95465), (865, 76372), (1220, 54149), (1252, 52765), (1565, 42212), (1730, 38186), (3130, 21106), (3460, 19093), (6260, 10553)]