25945740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:232

約数の個数: 144

約数和(自身を含む): 85307040

約数和(自身を除く): 59361300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 61, 68, 85, 90, 102, 122, 139, 153, 170, 180, 183, 204, 244, 255, 278, 305, 306, 340, 366, 417, 510, 549, 556, 610, 612, 695, 732, 765, 834, 915, 1020, 1037, 1098, 1220, 1251, 1390, 1530, 1668, 1830, 2074, 2085, 2196, 2363, 2502, 2745, 2780, 3060, 3111, 3660, 4148, 4170, 4726, 5004, 5185, 5490, 6222, 6255, 7089, 8340, 8479, 9333, 9452, 10370, 10980, 11815, 12444, 12510, 14178, 15555, 16958, 18666, 20740, 21267, 23630, 25020, 25437, 28356, 31110, 33916, 35445, 37332, 42395, 42534, 46665, 47260, 50874, 62220, 70890, 76311, 84790, 85068, 93330, 101748, 106335, 127185, 141780, 144143, 152622, 169580, 186660, 212670, 254370, 288286, 305244, 381555, 425340, 432429, 508740, 576572, 720715, 763110, 864858, 1297287, 1441430, 1526220, 1729716, 2162145, 2594574, 2882860, 4324290, 5189148, 6486435, 8648580, 12972870, 25945740]

約数ペア:

[(1, 25945740), (2, 12972870), (3, 8648580), (4, 6486435), (5, 5189148), (6, 4324290), (9, 2882860), (10, 2594574), (12, 2162145), (15, 1729716), (17, 1526220), (18, 1441430), (20, 1297287), (30, 864858), (34, 763110), (36, 720715), (45, 576572), (51, 508740), (60, 432429), (61, 425340), (68, 381555), (85, 305244), (90, 288286), (102, 254370), (122, 212670), (139, 186660), (153, 169580), (170, 152622), (180, 144143), (183, 141780), (204, 127185), (244, 106335), (255, 101748), (278, 93330), (305, 85068), (306, 84790), (340, 76311), (366, 70890), (417, 62220), (510, 50874), (549, 47260), (556, 46665), (610, 42534), (612, 42395), (695, 37332), (732, 35445), (765, 33916), (834, 31110), (915, 28356), (1020, 25437), (1037, 25020), (1098, 23630), (1220, 21267), (1251, 20740), (1390, 18666), (1530, 16958), (1668, 15555), (1830, 14178), (2074, 12510), (2085, 12444), (2196, 11815), (2363, 10980), (2502, 10370), (2745, 9452), (2780, 9333), (3060, 8479), (3111, 8340), (3660, 7089), (4148, 6255), (4170, 6222), (4726, 5490), (5004, 5185)]