217970640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3121}}^1$

素因数の和:3237

約数の個数: 120

約数和(自身を含む): 739801608

約数和(自身を除く): 521830968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 291, 360, 388, 485, 582, 720, 776, 873, 970, 1164, 1455, 1552, 1746, 1940, 2328, 2910, 3121, 3492, 3880, 4365, 4656, 5820, 6242, 6984, 7760, 8730, 9363, 11640, 12484, 13968, 15605, 17460, 18726, 23280, 24968, 28089, 31210, 34920, 37452, 46815, 49936, 56178, 62420, 69840, 74904, 93630, 112356, 124840, 140445, 149808, 187260, 224712, 249680, 280890, 302737, 374520, 449424, 561780, 605474, 749040, 908211, 1123560, 1210948, 1513685, 1816422, 2247120, 2421896, 2724633, 3027370, 3632844, 4541055, 4843792, 5449266, 6054740, 7265688, 9082110, 10898532, 12109480, 13623165, 14531376, 18164220, 21797064, 24218960, 27246330, 36328440, 43594128, 54492660, 72656880, 108985320, 217970640]

約数ペア:

[(1, 217970640), (2, 108985320), (3, 72656880), (4, 54492660), (5, 43594128), (6, 36328440), (8, 27246330), (9, 24218960), (10, 21797064), (12, 18164220), (15, 14531376), (16, 13623165), (18, 12109480), (20, 10898532), (24, 9082110), (30, 7265688), (36, 6054740), (40, 5449266), (45, 4843792), (48, 4541055), (60, 3632844), (72, 3027370), (80, 2724633), (90, 2421896), (97, 2247120), (120, 1816422), (144, 1513685), (180, 1210948), (194, 1123560), (240, 908211), (291, 749040), (360, 605474), (388, 561780), (485, 449424), (582, 374520), (720, 302737), (776, 280890), (873, 249680), (970, 224712), (1164, 187260), (1455, 149808), (1552, 140445), (1746, 124840), (1940, 112356), (2328, 93630), (2910, 74904), (3121, 69840), (3492, 62420), (3880, 56178), (4365, 49936), (4656, 46815), (5820, 37452), (6242, 34920), (6984, 31210), (7760, 28089), (8730, 24968), (9363, 23280), (11640, 18726), (12484, 17460), (13968, 15605)]