771786180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389791}}^1$

素因数の和:389817

約数の個数: 72

約数和(自身を含む): 2553917184

約数和(自身を除く): 1782131004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 389791, 779582, 1169373, 1559164, 1948955, 2338746, 3508119, 3897910, 4287701, 4677492, 5846865, 7016238, 7795820, 8575402, 11693730, 12863103, 14032476, 17150804, 17540595, 21438505, 23387460, 25726206, 35081190, 38589309, 42877010, 51452412, 64315515, 70162380, 77178618, 85754020, 128631030, 154357236, 192946545, 257262060, 385893090, 771786180]

約数ペア:

[(1, 771786180), (2, 385893090), (3, 257262060), (4, 192946545), (5, 154357236), (6, 128631030), (9, 85754020), (10, 77178618), (11, 70162380), (12, 64315515), (15, 51452412), (18, 42877010), (20, 38589309), (22, 35081190), (30, 25726206), (33, 23387460), (36, 21438505), (44, 17540595), (45, 17150804), (55, 14032476), (60, 12863103), (66, 11693730), (90, 8575402), (99, 7795820), (110, 7016238), (132, 5846865), (165, 4677492), (180, 4287701), (198, 3897910), (220, 3508119), (330, 2338746), (396, 1948955), (495, 1559164), (660, 1169373), (990, 779582), (1980, 389791)]