20151784590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{1831}}^1\times {\mathrm{7487}}^1$

素因数の和:9342

約数の個数: 96

約数和(自身を含む): 56298737664

約数和(自身を除く): 36146953074

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 1831, 3662, 5493, 7487, 9155, 10986, 12817, 14974, 18310, 22461, 25634, 27465, 37435, 38451, 44922, 52409, 54930, 64085, 74870, 76902, 89719, 104818, 112305, 128170, 157227, 179438, 192255, 224610, 262045, 269157, 314454, 366863, 384510, 448595, 524090, 538314, 733726, 786135, 897190, 1100589, 1345785, 1572270, 1834315, 2201178, 2691570, 3668630, 5502945, 11005890, 13708697, 27417394, 41126091, 68543485, 82252182, 95960879, 137086970, 191921758, 205630455, 287882637, 411260910, 479804395, 575765274, 671726153, 959608790, 1343452306, 1439413185, 2015178459, 2878826370, 3358630765, 4030356918, 6717261530, 10075892295, 20151784590]

約数ペア:

[(1, 20151784590), (2, 10075892295), (3, 6717261530), (5, 4030356918), (6, 3358630765), (7, 2878826370), (10, 2015178459), (14, 1439413185), (15, 1343452306), (21, 959608790), (30, 671726153), (35, 575765274), (42, 479804395), (49, 411260910), (70, 287882637), (98, 205630455), (105, 191921758), (147, 137086970), (210, 95960879), (245, 82252182), (294, 68543485), (490, 41126091), (735, 27417394), (1470, 13708697), (1831, 11005890), (3662, 5502945), (5493, 3668630), (7487, 2691570), (9155, 2201178), (10986, 1834315), (12817, 1572270), (14974, 1345785), (18310, 1100589), (22461, 897190), (25634, 786135), (27465, 733726), (37435, 538314), (38451, 524090), (44922, 448595), (52409, 384510), (54930, 366863), (64085, 314454), (74870, 269157), (76902, 262045), (89719, 224610), (104818, 192255), (112305, 179438), (128170, 157227)]