2781501240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1787}}^1$

素因数の和:1934

約数の個数: 256

約数和(自身を含む): 10195891200

約数和(自身を除く): 7414389960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 109, 119, 120, 136, 140, 168, 170, 204, 210, 218, 238, 255, 280, 327, 340, 357, 408, 420, 436, 476, 510, 545, 595, 654, 680, 714, 763, 840, 872, 952, 1020, 1090, 1190, 1308, 1428, 1526, 1635, 1785, 1787, 1853, 2040, 2180, 2289, 2380, 2616, 2856, 3052, 3270, 3570, 3574, 3706, 3815, 4360, 4578, 4760, 5361, 5559, 6104, 6540, 7140, 7148, 7412, 7630, 8935, 9156, 9265, 10722, 11118, 11445, 12509, 12971, 13080, 14280, 14296, 14824, 15260, 17870, 18312, 18530, 21444, 22236, 22890, 25018, 25942, 26805, 27795, 30379, 30520, 35740, 37060, 37527, 38913, 42888, 44472, 45780, 50036, 51884, 53610, 55590, 60758, 62545, 64855, 71480, 74120, 75054, 77826, 91137, 91560, 100072, 103768, 107220, 111180, 121516, 125090, 129710, 150108, 151895, 155652, 182274, 187635, 194565, 194783, 212653, 214440, 222360, 243032, 250180, 259420, 300216, 303790, 311304, 364548, 375270, 389130, 389566, 425306, 455685, 500360, 518840, 584349, 607580, 637959, 729096, 750540, 778260, 779132, 850612, 911370, 973915, 1063265, 1168698, 1215160, 1275918, 1363481, 1501080, 1556520, 1558264, 1701224, 1822740, 1947830, 2126530, 2337396, 2551836, 2726962, 2921745, 3189795, 3311311, 3645480, 3895660, 4090443, 4253060, 4674792, 5103672, 5453924, 5843490, 6379590, 6622622, 6817405, 7791320, 8180886, 8506120, 9933933, 10907848, 11686980, 12759180, 13245244, 13634810, 16361772, 16556555, 19867866, 20452215, 23179177, 23373960, 25518360, 26490488, 27269620, 32723544, 33113110, 39735732, 40904430, 46358354, 49669665, 54539240, 66226220, 69537531, 79471464, 81808860, 92716708, 99339330, 115895885, 132452440, 139075062, 163617720, 185433416, 198678660, 231791770, 278150124, 347687655, 397357320, 463583540, 556300248, 695375310, 927167080, 1390750620, 2781501240]

約数ペア:

[(1, 2781501240), (2, 1390750620), (3, 927167080), (4, 695375310), (5, 556300248), (6, 463583540), (7, 397357320), (8, 347687655), (10, 278150124), (12, 231791770), (14, 198678660), (15, 185433416), (17, 163617720), (20, 139075062), (21, 132452440), (24, 115895885), (28, 99339330), (30, 92716708), (34, 81808860), (35, 79471464), (40, 69537531), (42, 66226220), (51, 54539240), (56, 49669665), (60, 46358354), (68, 40904430), (70, 39735732), (84, 33113110), (85, 32723544), (102, 27269620), (105, 26490488), (109, 25518360), (119, 23373960), (120, 23179177), (136, 20452215), (140, 19867866), (168, 16556555), (170, 16361772), (204, 13634810), (210, 13245244), (218, 12759180), (238, 11686980), (255, 10907848), (280, 9933933), (327, 8506120), (340, 8180886), (357, 7791320), (408, 6817405), (420, 6622622), (436, 6379590), (476, 5843490), (510, 5453924), (545, 5103672), (595, 4674792), (654, 4253060), (680, 4090443), (714, 3895660), (763, 3645480), (840, 3311311), (872, 3189795), (952, 2921745), (1020, 2726962), (1090, 2551836), (1190, 2337396), (1308, 2126530), (1428, 1947830), (1526, 1822740), (1635, 1701224), (1785, 1558264), (1787, 1556520), (1853, 1501080), (2040, 1363481), (2180, 1275918), (2289, 1215160), (2380, 1168698), (2616, 1063265), (2856, 973915), (3052, 911370), (3270, 850612), (3570, 779132), (3574, 778260), (3706, 750540), (3815, 729096), (4360, 637959), (4578, 607580), (4760, 584349), (5361, 518840), (5559, 500360), (6104, 455685), (6540, 425306), (7140, 389566), (7148, 389130), (7412, 375270), (7630, 364548), (8935, 311304), (9156, 303790), (9265, 300216), (10722, 259420), (11118, 250180), (11445, 243032), (12509, 222360), (12971, 214440), (13080, 212653), (14280, 194783), (14296, 194565), (14824, 187635), (15260, 182274), (17870, 155652), (18312, 151895), (18530, 150108), (21444, 129710), (22236, 125090), (22890, 121516), (25018, 111180), (25942, 107220), (26805, 103768), (27795, 100072), (30379, 91560), (30520, 91137), (35740, 77826), (37060, 75054), (37527, 74120), (38913, 71480), (42888, 64855), (44472, 62545), (45780, 60758), (50036, 55590), (51884, 53610)]