140280320

素因数分解:

$2^9\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1481}}^1$

素因数の和:1541

約数の個数: 80

約数和(自身を含む): 345667608

約数和(自身を除く): 205387288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 512, 592, 640, 740, 1184, 1280, 1480, 1481, 2368, 2560, 2960, 2962, 4736, 5920, 5924, 7405, 9472, 11840, 11848, 14810, 18944, 23680, 23696, 29620, 47360, 47392, 54797, 59240, 94720, 94784, 109594, 118480, 189568, 219188, 236960, 273985, 379136, 438376, 473920, 547970, 758272, 876752, 947840, 1095940, 1753504, 1895680, 2191880, 3507008, 3791360, 4383760, 7014016, 8767520, 14028032, 17535040, 28056064, 35070080, 70140160, 140280320]

約数ペア:

[(1, 140280320), (2, 70140160), (4, 35070080), (5, 28056064), (8, 17535040), (10, 14028032), (16, 8767520), (20, 7014016), (32, 4383760), (37, 3791360), (40, 3507008), (64, 2191880), (74, 1895680), (80, 1753504), (128, 1095940), (148, 947840), (160, 876752), (185, 758272), (256, 547970), (296, 473920), (320, 438376), (370, 379136), (512, 273985), (592, 236960), (640, 219188), (740, 189568), (1184, 118480), (1280, 109594), (1480, 94784), (1481, 94720), (2368, 59240), (2560, 54797), (2960, 47392), (2962, 47360), (4736, 29620), (5920, 23696), (5924, 23680), (7405, 18944), (9472, 14810), (11840, 11848)]