2777220

素因数分解:

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

素因数の和:194

約数の個数: 96

約数和(自身を含む): 8937600

約数和(自身を除く): 6160380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 139, 148, 180, 185, 222, 270, 278, 333, 370, 417, 444, 540, 555, 556, 666, 695, 740, 834, 999, 1110, 1251, 1332, 1390, 1665, 1668, 1998, 2085, 2220, 2502, 2780, 3330, 3753, 3996, 4170, 4995, 5004, 5143, 6255, 6660, 7506, 8340, 9990, 10286, 12510, 15012, 15429, 18765, 19980, 20572, 25020, 25715, 30858, 37530, 46287, 51430, 61716, 75060, 77145, 92574, 102860, 138861, 154290, 185148, 231435, 277722, 308580, 462870, 555444, 694305, 925740, 1388610, 2777220]

約数ペア:

[(1, 2777220), (2, 1388610), (3, 925740), (4, 694305), (5, 555444), (6, 462870), (9, 308580), (10, 277722), (12, 231435), (15, 185148), (18, 154290), (20, 138861), (27, 102860), (30, 92574), (36, 77145), (37, 75060), (45, 61716), (54, 51430), (60, 46287), (74, 37530), (90, 30858), (108, 25715), (111, 25020), (135, 20572), (139, 19980), (148, 18765), (180, 15429), (185, 15012), (222, 12510), (270, 10286), (278, 9990), (333, 8340), (370, 7506), (417, 6660), (444, 6255), (540, 5143), (555, 5004), (556, 4995), (666, 4170), (695, 3996), (740, 3753), (834, 3330), (999, 2780), (1110, 2502), (1251, 2220), (1332, 2085), (1390, 1998), (1665, 1668)]