261036120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1585

約数の個数: 128

約数和(自身を含む): 826122240

約数和(自身を除く): 565086120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 120, 124, 141, 155, 186, 188, 235, 248, 282, 310, 372, 376, 465, 470, 564, 620, 705, 744, 930, 940, 1128, 1240, 1410, 1457, 1493, 1860, 1880, 2820, 2914, 2986, 3720, 4371, 4479, 5640, 5828, 5972, 7285, 7465, 8742, 8958, 11656, 11944, 14570, 14930, 17484, 17916, 21855, 22395, 29140, 29860, 34968, 35832, 43710, 44790, 46283, 58280, 59720, 70171, 87420, 89580, 92566, 138849, 140342, 174840, 179160, 185132, 210513, 231415, 277698, 280684, 350855, 370264, 421026, 462830, 555396, 561368, 694245, 701710, 842052, 925660, 1052565, 1110792, 1388490, 1403420, 1684104, 1851320, 2105130, 2175301, 2776980, 2806840, 4210260, 4350602, 5553960, 6525903, 8420520, 8701204, 10876505, 13051806, 17402408, 21753010, 26103612, 32629515, 43506020, 52207224, 65259030, 87012040, 130518060, 261036120]

約数ペア:

[(1, 261036120), (2, 130518060), (3, 87012040), (4, 65259030), (5, 52207224), (6, 43506020), (8, 32629515), (10, 26103612), (12, 21753010), (15, 17402408), (20, 13051806), (24, 10876505), (30, 8701204), (31, 8420520), (40, 6525903), (47, 5553960), (60, 4350602), (62, 4210260), (93, 2806840), (94, 2776980), (120, 2175301), (124, 2105130), (141, 1851320), (155, 1684104), (186, 1403420), (188, 1388490), (235, 1110792), (248, 1052565), (282, 925660), (310, 842052), (372, 701710), (376, 694245), (465, 561368), (470, 555396), (564, 462830), (620, 421026), (705, 370264), (744, 350855), (930, 280684), (940, 277698), (1128, 231415), (1240, 210513), (1410, 185132), (1457, 179160), (1493, 174840), (1860, 140342), (1880, 138849), (2820, 92566), (2914, 89580), (2986, 87420), (3720, 70171), (4371, 59720), (4479, 58280), (5640, 46283), (5828, 44790), (5972, 43710), (7285, 35832), (7465, 34968), (8742, 29860), (8958, 29140), (11656, 22395), (11944, 21855), (14570, 17916), (14930, 17484)]