208452720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{977}}^1$

素因数の和:1127

約数の個数: 160

約数和(自身を含む): 745095168

約数和(自身を除く): 536642448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 127, 140, 168, 210, 240, 254, 280, 336, 381, 420, 508, 560, 635, 762, 840, 889, 977, 1016, 1270, 1524, 1680, 1778, 1905, 1954, 2032, 2540, 2667, 2931, 3048, 3556, 3810, 3908, 4445, 4885, 5080, 5334, 5862, 6096, 6839, 7112, 7620, 7816, 8890, 9770, 10160, 10668, 11724, 13335, 13678, 14224, 14655, 15240, 15632, 17780, 19540, 20517, 21336, 23448, 26670, 27356, 29310, 30480, 34195, 35560, 39080, 41034, 42672, 46896, 53340, 54712, 58620, 68390, 71120, 78160, 82068, 102585, 106680, 109424, 117240, 124079, 136780, 164136, 205170, 213360, 234480, 248158, 273560, 328272, 372237, 410340, 496316, 547120, 620395, 744474, 820680, 868553, 992632, 1240790, 1488948, 1641360, 1737106, 1861185, 1985264, 2481580, 2605659, 2977896, 3474212, 3722370, 4342765, 4963160, 5211318, 5955792, 6948424, 7444740, 8685530, 9926320, 10422636, 13028295, 13896848, 14889480, 17371060, 20845272, 26056590, 29778960, 34742120, 41690544, 52113180, 69484240, 104226360, 208452720]

約数ペア:

[(1, 208452720), (2, 104226360), (3, 69484240), (4, 52113180), (5, 41690544), (6, 34742120), (7, 29778960), (8, 26056590), (10, 20845272), (12, 17371060), (14, 14889480), (15, 13896848), (16, 13028295), (20, 10422636), (21, 9926320), (24, 8685530), (28, 7444740), (30, 6948424), (35, 5955792), (40, 5211318), (42, 4963160), (48, 4342765), (56, 3722370), (60, 3474212), (70, 2977896), (80, 2605659), (84, 2481580), (105, 1985264), (112, 1861185), (120, 1737106), (127, 1641360), (140, 1488948), (168, 1240790), (210, 992632), (240, 868553), (254, 820680), (280, 744474), (336, 620395), (381, 547120), (420, 496316), (508, 410340), (560, 372237), (635, 328272), (762, 273560), (840, 248158), (889, 234480), (977, 213360), (1016, 205170), (1270, 164136), (1524, 136780), (1680, 124079), (1778, 117240), (1905, 109424), (1954, 106680), (2032, 102585), (2540, 82068), (2667, 78160), (2931, 71120), (3048, 68390), (3556, 58620), (3810, 54712), (3908, 53340), (4445, 46896), (4885, 42672), (5080, 41034), (5334, 39080), (5862, 35560), (6096, 34195), (6839, 30480), (7112, 29310), (7620, 27356), (7816, 26670), (8890, 23448), (9770, 21336), (10160, 20517), (10668, 19540), (11724, 17780), (13335, 15632), (13678, 15240), (14224, 14655)]