20815782720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{33827}}^1$

素因数の和:34488

約数の個数: 112

約数和(自身を含む): 66195171648

約数和(自身を除く): 45379388928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 641, 960, 1282, 1923, 2564, 3205, 3846, 5128, 6410, 7692, 9615, 10256, 12820, 15384, 19230, 20512, 25640, 30768, 33827, 38460, 41024, 51280, 61536, 67654, 76920, 101481, 102560, 123072, 135308, 153840, 169135, 202962, 205120, 270616, 307680, 338270, 405924, 507405, 541232, 615360, 676540, 811848, 1014810, 1082464, 1353080, 1623696, 2029620, 2164928, 2706160, 3247392, 4059240, 5412320, 6494784, 8118480, 10824640, 16236960, 21683107, 32473920, 43366214, 65049321, 86732428, 108415535, 130098642, 173464856, 216831070, 260197284, 325246605, 346929712, 433662140, 520394568, 650493210, 693859424, 867324280, 1040789136, 1300986420, 1387718848, 1734648560, 2081578272, 2601972840, 3469297120, 4163156544, 5203945680, 6938594240, 10407891360, 20815782720]

約数ペア:

[(1, 20815782720), (2, 10407891360), (3, 6938594240), (4, 5203945680), (5, 4163156544), (6, 3469297120), (8, 2601972840), (10, 2081578272), (12, 1734648560), (15, 1387718848), (16, 1300986420), (20, 1040789136), (24, 867324280), (30, 693859424), (32, 650493210), (40, 520394568), (48, 433662140), (60, 346929712), (64, 325246605), (80, 260197284), (96, 216831070), (120, 173464856), (160, 130098642), (192, 108415535), (240, 86732428), (320, 65049321), (480, 43366214), (641, 32473920), (960, 21683107), (1282, 16236960), (1923, 10824640), (2564, 8118480), (3205, 6494784), (3846, 5412320), (5128, 4059240), (6410, 3247392), (7692, 2706160), (9615, 2164928), (10256, 2029620), (12820, 1623696), (15384, 1353080), (19230, 1082464), (20512, 1014810), (25640, 811848), (30768, 676540), (33827, 615360), (38460, 541232), (41024, 507405), (51280, 405924), (61536, 338270), (67654, 307680), (76920, 270616), (101481, 205120), (102560, 202962), (123072, 169135), (135308, 153840)]