78816780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:773

約数の個数: 192

約数和(自身を含む): 290304000

約数和(自身を除く): 211487220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 29, 30, 35, 36, 42, 45, 54, 58, 60, 63, 70, 84, 87, 90, 105, 108, 116, 126, 135, 140, 145, 174, 180, 189, 203, 210, 252, 261, 270, 290, 315, 348, 378, 406, 420, 435, 522, 540, 580, 609, 630, 719, 756, 783, 812, 870, 945, 1015, 1044, 1218, 1260, 1305, 1438, 1566, 1740, 1827, 1890, 2030, 2157, 2436, 2610, 2876, 3045, 3132, 3595, 3654, 3780, 3915, 4060, 4314, 5033, 5220, 5481, 6090, 6471, 7190, 7308, 7830, 8628, 9135, 10066, 10785, 10962, 12180, 12942, 14380, 15099, 15660, 18270, 19413, 20132, 20851, 21570, 21924, 25165, 25884, 27405, 30198, 32355, 36540, 38826, 41702, 43140, 45297, 50330, 54810, 60396, 62553, 64710, 75495, 77652, 83404, 90594, 97065, 100660, 104255, 109620, 125106, 129420, 135891, 145957, 150990, 181188, 187659, 194130, 208510, 226485, 250212, 271782, 291914, 301980, 312765, 375318, 388260, 417020, 437871, 452970, 543564, 562977, 583828, 625530, 679455, 729785, 750636, 875742, 905940, 938295, 1125954, 1251060, 1313613, 1358910, 1459570, 1751484, 1876590, 2189355, 2251908, 2627226, 2717820, 2814885, 2919140, 3753180, 3940839, 4378710, 5254452, 5629770, 6568065, 7881678, 8757420, 11259540, 13136130, 15763356, 19704195, 26272260, 39408390, 78816780]

約数ペア:

[(1, 78816780), (2, 39408390), (3, 26272260), (4, 19704195), (5, 15763356), (6, 13136130), (7, 11259540), (9, 8757420), (10, 7881678), (12, 6568065), (14, 5629770), (15, 5254452), (18, 4378710), (20, 3940839), (21, 3753180), (27, 2919140), (28, 2814885), (29, 2717820), (30, 2627226), (35, 2251908), (36, 2189355), (42, 1876590), (45, 1751484), (54, 1459570), (58, 1358910), (60, 1313613), (63, 1251060), (70, 1125954), (84, 938295), (87, 905940), (90, 875742), (105, 750636), (108, 729785), (116, 679455), (126, 625530), (135, 583828), (140, 562977), (145, 543564), (174, 452970), (180, 437871), (189, 417020), (203, 388260), (210, 375318), (252, 312765), (261, 301980), (270, 291914), (290, 271782), (315, 250212), (348, 226485), (378, 208510), (406, 194130), (420, 187659), (435, 181188), (522, 150990), (540, 145957), (580, 135891), (609, 129420), (630, 125106), (719, 109620), (756, 104255), (783, 100660), (812, 97065), (870, 90594), (945, 83404), (1015, 77652), (1044, 75495), (1218, 64710), (1260, 62553), (1305, 60396), (1438, 54810), (1566, 50330), (1740, 45297), (1827, 43140), (1890, 41702), (2030, 38826), (2157, 36540), (2436, 32355), (2610, 30198), (2876, 27405), (3045, 25884), (3132, 25165), (3595, 21924), (3654, 21570), (3780, 20851), (3915, 20132), (4060, 19413), (4314, 18270), (5033, 15660), (5220, 15099), (5481, 14380), (6090, 12942), (6471, 12180), (7190, 10962), (7308, 10785), (7830, 10066), (8628, 9135)]