2990591240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5441}}^1$

素因数の和:5623

約数の個数: 128

約数和(自身を含む): 8338014720

約数和(自身を除く): 5347423480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 151, 182, 260, 280, 302, 364, 455, 520, 604, 728, 755, 910, 1057, 1208, 1510, 1820, 1963, 2114, 3020, 3640, 3926, 4228, 5285, 5441, 6040, 7852, 8456, 9815, 10570, 10882, 13741, 15704, 19630, 21140, 21764, 27205, 27482, 38087, 39260, 42280, 43528, 54410, 54964, 68705, 70733, 76174, 78520, 108820, 109928, 137410, 141466, 152348, 190435, 217640, 274820, 282932, 304696, 353665, 380870, 495131, 549640, 565864, 707330, 761740, 821591, 990262, 1414660, 1523480, 1643182, 1980524, 2475655, 2829320, 3286364, 3961048, 4107955, 4951310, 5751137, 6572728, 8215910, 9902620, 10680683, 11502274, 16431820, 19805240, 21361366, 23004548, 28755685, 32863640, 42722732, 46009096, 53403415, 57511370, 74764781, 85445464, 106806830, 115022740, 149529562, 213613660, 230045480, 299059124, 373823905, 427227320, 598118248, 747647810, 1495295620, 2990591240]

約数ペア:

[(1, 2990591240), (2, 1495295620), (4, 747647810), (5, 598118248), (7, 427227320), (8, 373823905), (10, 299059124), (13, 230045480), (14, 213613660), (20, 149529562), (26, 115022740), (28, 106806830), (35, 85445464), (40, 74764781), (52, 57511370), (56, 53403415), (65, 46009096), (70, 42722732), (91, 32863640), (104, 28755685), (130, 23004548), (140, 21361366), (151, 19805240), (182, 16431820), (260, 11502274), (280, 10680683), (302, 9902620), (364, 8215910), (455, 6572728), (520, 5751137), (604, 4951310), (728, 4107955), (755, 3961048), (910, 3286364), (1057, 2829320), (1208, 2475655), (1510, 1980524), (1820, 1643182), (1963, 1523480), (2114, 1414660), (3020, 990262), (3640, 821591), (3926, 761740), (4228, 707330), (5285, 565864), (5441, 549640), (6040, 495131), (7852, 380870), (8456, 353665), (9815, 304696), (10570, 282932), (10882, 274820), (13741, 217640), (15704, 190435), (19630, 152348), (21140, 141466), (21764, 137410), (27205, 109928), (27482, 108820), (38087, 78520), (39260, 76174), (42280, 70733), (43528, 68705), (54410, 54964)]