78813540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 269068800

約数和(自身を除く): 190255260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 103, 108, 109, 117, 130, 135, 156, 180, 195, 206, 218, 234, 260, 270, 309, 327, 351, 390, 412, 436, 468, 515, 540, 545, 585, 618, 654, 702, 780, 927, 981, 1030, 1090, 1170, 1236, 1308, 1339, 1404, 1417, 1545, 1635, 1755, 1854, 1962, 2060, 2180, 2340, 2678, 2781, 2834, 2943, 3090, 3270, 3510, 3708, 3924, 4017, 4251, 4635, 4905, 5356, 5562, 5668, 5886, 6180, 6540, 6695, 7020, 7085, 8034, 8502, 9270, 9810, 11124, 11227, 11772, 12051, 12753, 13390, 13905, 14170, 14715, 16068, 17004, 18540, 19620, 20085, 21255, 22454, 24102, 25506, 26780, 27810, 28340, 29430, 33681, 36153, 38259, 40170, 42510, 44908, 48204, 51012, 55620, 56135, 58860, 60255, 63765, 67362, 72306, 76518, 80340, 85020, 101043, 112270, 120510, 127530, 134724, 144612, 145951, 153036, 168405, 180765, 191295, 202086, 224540, 241020, 255060, 291902, 303129, 336810, 361530, 382590, 404172, 437853, 505215, 583804, 606258, 673620, 723060, 729755, 765180, 875706, 1010430, 1212516, 1313559, 1459510, 1515645, 1751412, 2020860, 2189265, 2627118, 2919020, 3031290, 3940677, 4378530, 5254236, 6062580, 6567795, 7881354, 8757060, 13135590, 15762708, 19703385, 26271180, 39406770, 78813540]

約数ペア:

[(1, 78813540), (2, 39406770), (3, 26271180), (4, 19703385), (5, 15762708), (6, 13135590), (9, 8757060), (10, 7881354), (12, 6567795), (13, 6062580), (15, 5254236), (18, 4378530), (20, 3940677), (26, 3031290), (27, 2919020), (30, 2627118), (36, 2189265), (39, 2020860), (45, 1751412), (52, 1515645), (54, 1459510), (60, 1313559), (65, 1212516), (78, 1010430), (90, 875706), (103, 765180), (108, 729755), (109, 723060), (117, 673620), (130, 606258), (135, 583804), (156, 505215), (180, 437853), (195, 404172), (206, 382590), (218, 361530), (234, 336810), (260, 303129), (270, 291902), (309, 255060), (327, 241020), (351, 224540), (390, 202086), (412, 191295), (436, 180765), (468, 168405), (515, 153036), (540, 145951), (545, 144612), (585, 134724), (618, 127530), (654, 120510), (702, 112270), (780, 101043), (927, 85020), (981, 80340), (1030, 76518), (1090, 72306), (1170, 67362), (1236, 63765), (1308, 60255), (1339, 58860), (1404, 56135), (1417, 55620), (1545, 51012), (1635, 48204), (1755, 44908), (1854, 42510), (1962, 40170), (2060, 38259), (2180, 36153), (2340, 33681), (2678, 29430), (2781, 28340), (2834, 27810), (2943, 26780), (3090, 25506), (3270, 24102), (3510, 22454), (3708, 21255), (3924, 20085), (4017, 19620), (4251, 18540), (4635, 17004), (4905, 16068), (5356, 14715), (5562, 14170), (5668, 13905), (5886, 13390), (6180, 12753), (6540, 12051), (6695, 11772), (7020, 11227), (7085, 11124), (8034, 9810), (8502, 9270)]