1219071780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{6793}}^1$

素因数の和:7805

約数の個数: 72

約数和(自身を含む): 3702104952

約数和(自身を除く): 2483033172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 997, 1994, 2991, 3988, 4985, 5982, 6793, 8973, 9970, 11964, 13586, 14955, 17946, 19940, 20379, 27172, 29910, 33965, 35892, 40758, 44865, 59820, 61137, 67930, 81516, 89730, 101895, 122274, 135860, 179460, 203790, 244548, 305685, 407580, 611370, 1222740, 6772621, 13545242, 20317863, 27090484, 33863105, 40635726, 60953589, 67726210, 81271452, 101589315, 121907178, 135452420, 203178630, 243814356, 304767945, 406357260, 609535890, 1219071780]

約数ペア:

[(1, 1219071780), (2, 609535890), (3, 406357260), (4, 304767945), (5, 243814356), (6, 203178630), (9, 135452420), (10, 121907178), (12, 101589315), (15, 81271452), (18, 67726210), (20, 60953589), (30, 40635726), (36, 33863105), (45, 27090484), (60, 20317863), (90, 13545242), (180, 6772621), (997, 1222740), (1994, 611370), (2991, 407580), (3988, 305685), (4985, 244548), (5982, 203790), (6793, 179460), (8973, 135860), (9970, 122274), (11964, 101895), (13586, 89730), (14955, 81516), (17946, 67930), (19940, 61137), (20379, 59820), (27172, 44865), (29910, 40758), (33965, 35892)]