205496520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1493}}^1$

素因数の和:1575

約数の個数: 128

約数和(自身を含む): 654013440

約数和(自身を除く): 448516920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1493, 1860, 2220, 2294, 2986, 3441, 3720, 4440, 4479, 4588, 5735, 5972, 6882, 7465, 8958, 9176, 11470, 11944, 13764, 14930, 17205, 17916, 22395, 22940, 27528, 29860, 34410, 35832, 44790, 45880, 46283, 55241, 59720, 68820, 89580, 92566, 110482, 137640, 138849, 165723, 179160, 185132, 220964, 231415, 276205, 277698, 331446, 370264, 441928, 462830, 552410, 555396, 662892, 694245, 828615, 925660, 1104820, 1110792, 1325784, 1388490, 1657230, 1712471, 1851320, 2209640, 2776980, 3314460, 3424942, 5137413, 5553960, 6628920, 6849884, 8562355, 10274826, 13699768, 17124710, 20549652, 25687065, 34249420, 41099304, 51374130, 68498840, 102748260, 205496520]

約数ペア:

[(1, 205496520), (2, 102748260), (3, 68498840), (4, 51374130), (5, 41099304), (6, 34249420), (8, 25687065), (10, 20549652), (12, 17124710), (15, 13699768), (20, 10274826), (24, 8562355), (30, 6849884), (31, 6628920), (37, 5553960), (40, 5137413), (60, 3424942), (62, 3314460), (74, 2776980), (93, 2209640), (111, 1851320), (120, 1712471), (124, 1657230), (148, 1388490), (155, 1325784), (185, 1110792), (186, 1104820), (222, 925660), (248, 828615), (296, 694245), (310, 662892), (370, 555396), (372, 552410), (444, 462830), (465, 441928), (555, 370264), (620, 331446), (740, 277698), (744, 276205), (888, 231415), (930, 220964), (1110, 185132), (1147, 179160), (1240, 165723), (1480, 138849), (1493, 137640), (1860, 110482), (2220, 92566), (2294, 89580), (2986, 68820), (3441, 59720), (3720, 55241), (4440, 46283), (4479, 45880), (4588, 44790), (5735, 35832), (5972, 34410), (6882, 29860), (7465, 27528), (8958, 22940), (9176, 22395), (11470, 17916), (11944, 17205), (13764, 14930)]