1920862720

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{15313}}^1$

素因数の和:15350

約数の個数: 120

約数和(自身を含む): 5357847924

約数和(自身を除く): 3436985204

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 2560, 3136, 3584, 3920, 4480, 6272, 7840, 8960, 12544, 15313, 15680, 17920, 25088, 30626, 31360, 61252, 62720, 76565, 107191, 122504, 125440, 153130, 214382, 245008, 306260, 428764, 490016, 535955, 612520, 750337, 857528, 980032, 1071910, 1225040, 1500674, 1715056, 1960064, 2143820, 2450080, 3001348, 3430112, 3751685, 3920128, 4287640, 4900160, 6002696, 6860224, 7503370, 7840256, 8575280, 9800320, 12005392, 13720448, 15006740, 17150560, 19600640, 24010784, 27440896, 30013480, 34301120, 39201280, 48021568, 54881792, 60026960, 68602240, 96043136, 120053920, 137204480, 192086272, 240107840, 274408960, 384172544, 480215680, 960431360, 1920862720]

約数ペア:

[(1, 1920862720), (2, 960431360), (4, 480215680), (5, 384172544), (7, 274408960), (8, 240107840), (10, 192086272), (14, 137204480), (16, 120053920), (20, 96043136), (28, 68602240), (32, 60026960), (35, 54881792), (40, 48021568), (49, 39201280), (56, 34301120), (64, 30013480), (70, 27440896), (80, 24010784), (98, 19600640), (112, 17150560), (128, 15006740), (140, 13720448), (160, 12005392), (196, 9800320), (224, 8575280), (245, 7840256), (256, 7503370), (280, 6860224), (320, 6002696), (392, 4900160), (448, 4287640), (490, 3920128), (512, 3751685), (560, 3430112), (640, 3001348), (784, 2450080), (896, 2143820), (980, 1960064), (1120, 1715056), (1280, 1500674), (1568, 1225040), (1792, 1071910), (1960, 980032), (2240, 857528), (2560, 750337), (3136, 612520), (3584, 535955), (3920, 490016), (4480, 428764), (6272, 306260), (7840, 245008), (8960, 214382), (12544, 153130), (15313, 125440), (15680, 122504), (17920, 107191), (25088, 76565), (30626, 62720), (31360, 61252)]