56470140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 180092640

約数和(自身を除く): 123622500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 61, 74, 90, 111, 122, 139, 148, 180, 183, 185, 222, 244, 278, 305, 333, 366, 370, 417, 444, 549, 555, 556, 610, 666, 695, 732, 740, 834, 915, 1098, 1110, 1220, 1251, 1332, 1390, 1665, 1668, 1830, 2085, 2196, 2220, 2257, 2502, 2745, 2780, 3330, 3660, 4170, 4514, 5004, 5143, 5490, 6255, 6660, 6771, 8340, 8479, 9028, 10286, 10980, 11285, 12510, 13542, 15429, 16958, 20313, 20572, 22570, 25020, 25437, 25715, 27084, 30858, 33855, 33916, 40626, 42395, 45140, 46287, 50874, 51430, 61716, 67710, 76311, 77145, 81252, 84790, 92574, 101565, 101748, 102860, 127185, 135420, 152622, 154290, 169580, 185148, 203130, 231435, 254370, 305244, 308580, 313723, 381555, 406260, 462870, 508740, 627446, 763110, 925740, 941169, 1254892, 1526220, 1568615, 1882338, 2823507, 3137230, 3764676, 4705845, 5647014, 6274460, 9411690, 11294028, 14117535, 18823380, 28235070, 56470140]

約数ペア:

[(1, 56470140), (2, 28235070), (3, 18823380), (4, 14117535), (5, 11294028), (6, 9411690), (9, 6274460), (10, 5647014), (12, 4705845), (15, 3764676), (18, 3137230), (20, 2823507), (30, 1882338), (36, 1568615), (37, 1526220), (45, 1254892), (60, 941169), (61, 925740), (74, 763110), (90, 627446), (111, 508740), (122, 462870), (139, 406260), (148, 381555), (180, 313723), (183, 308580), (185, 305244), (222, 254370), (244, 231435), (278, 203130), (305, 185148), (333, 169580), (366, 154290), (370, 152622), (417, 135420), (444, 127185), (549, 102860), (555, 101748), (556, 101565), (610, 92574), (666, 84790), (695, 81252), (732, 77145), (740, 76311), (834, 67710), (915, 61716), (1098, 51430), (1110, 50874), (1220, 46287), (1251, 45140), (1332, 42395), (1390, 40626), (1665, 33916), (1668, 33855), (1830, 30858), (2085, 27084), (2196, 25715), (2220, 25437), (2257, 25020), (2502, 22570), (2745, 20572), (2780, 20313), (3330, 16958), (3660, 15429), (4170, 13542), (4514, 12510), (5004, 11285), (5143, 10980), (5490, 10286), (6255, 9028), (6660, 8479), (6771, 8340)]