20049671280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1\times {\mathrm{761}}^1$

素因数の和:1655

約数の個数: 160

約数和(自身を含む): 62733984768

約数和(自身を除く): 42684313488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 151, 240, 302, 453, 604, 727, 755, 761, 906, 1208, 1454, 1510, 1522, 1812, 2181, 2265, 2283, 2416, 2908, 3020, 3044, 3624, 3635, 3805, 4362, 4530, 4566, 5816, 6040, 6088, 7248, 7270, 7610, 8724, 9060, 9132, 10905, 11415, 11632, 12080, 12176, 14540, 15220, 17448, 18120, 18264, 21810, 22830, 29080, 30440, 34896, 36240, 36528, 43620, 45660, 58160, 60880, 87240, 91320, 109777, 114911, 174480, 182640, 219554, 229822, 329331, 344733, 439108, 459644, 548885, 553247, 574555, 658662, 689466, 878216, 919288, 1097770, 1106494, 1149110, 1317324, 1378932, 1646655, 1659741, 1723665, 1756432, 1838576, 2195540, 2212988, 2298220, 2634648, 2757864, 2766235, 3293310, 3319482, 3447330, 4391080, 4425976, 4596440, 5269296, 5515728, 5532470, 6586620, 6638964, 6894660, 8298705, 8782160, 8851952, 9192880, 11064940, 13173240, 13277928, 13789320, 16597410, 22129880, 26346480, 26555856, 27578640, 33194820, 44259760, 66389640, 83540297, 132779280, 167080594, 250620891, 334161188, 417701485, 501241782, 668322376, 835402970, 1002483564, 1253104455, 1336644752, 1670805940, 2004967128, 2506208910, 3341611880, 4009934256, 5012417820, 6683223760, 10024835640, 20049671280]

約数ペア:

[(1, 20049671280), (2, 10024835640), (3, 6683223760), (4, 5012417820), (5, 4009934256), (6, 3341611880), (8, 2506208910), (10, 2004967128), (12, 1670805940), (15, 1336644752), (16, 1253104455), (20, 1002483564), (24, 835402970), (30, 668322376), (40, 501241782), (48, 417701485), (60, 334161188), (80, 250620891), (120, 167080594), (151, 132779280), (240, 83540297), (302, 66389640), (453, 44259760), (604, 33194820), (727, 27578640), (755, 26555856), (761, 26346480), (906, 22129880), (1208, 16597410), (1454, 13789320), (1510, 13277928), (1522, 13173240), (1812, 11064940), (2181, 9192880), (2265, 8851952), (2283, 8782160), (2416, 8298705), (2908, 6894660), (3020, 6638964), (3044, 6586620), (3624, 5532470), (3635, 5515728), (3805, 5269296), (4362, 4596440), (4530, 4425976), (4566, 4391080), (5816, 3447330), (6040, 3319482), (6088, 3293310), (7248, 2766235), (7270, 2757864), (7610, 2634648), (8724, 2298220), (9060, 2212988), (9132, 2195540), (10905, 1838576), (11415, 1756432), (11632, 1723665), (12080, 1659741), (12176, 1646655), (14540, 1378932), (15220, 1317324), (17448, 1149110), (18120, 1106494), (18264, 1097770), (21810, 919288), (22830, 878216), (29080, 689466), (30440, 658662), (34896, 574555), (36240, 553247), (36528, 548885), (43620, 459644), (45660, 439108), (58160, 344733), (60880, 329331), (87240, 229822), (91320, 219554), (109777, 182640), (114911, 174480)]