311517760

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1013}}^1$

素因数の和:1092

約数の個数: 84

約数和(自身を含む): 767259324

約数和(自身を除く): 455741564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 961, 992, 1013, 1240, 1922, 1984, 2026, 2480, 3844, 4052, 4805, 4960, 5065, 7688, 8104, 9610, 9920, 10130, 15376, 16208, 19220, 20260, 30752, 31403, 32416, 38440, 40520, 61504, 62806, 64832, 76880, 81040, 125612, 153760, 157015, 162080, 251224, 307520, 314030, 324160, 502448, 628060, 973493, 1004896, 1256120, 1946986, 2009792, 2512240, 3893972, 4867465, 5024480, 7787944, 9734930, 10048960, 15575888, 19469860, 31151776, 38939720, 62303552, 77879440, 155758880, 311517760]

約数ペア:

[(1, 311517760), (2, 155758880), (4, 77879440), (5, 62303552), (8, 38939720), (10, 31151776), (16, 19469860), (20, 15575888), (31, 10048960), (32, 9734930), (40, 7787944), (62, 5024480), (64, 4867465), (80, 3893972), (124, 2512240), (155, 2009792), (160, 1946986), (248, 1256120), (310, 1004896), (320, 973493), (496, 628060), (620, 502448), (961, 324160), (992, 314030), (1013, 307520), (1240, 251224), (1922, 162080), (1984, 157015), (2026, 153760), (2480, 125612), (3844, 81040), (4052, 76880), (4805, 64832), (4960, 62806), (5065, 61504), (7688, 40520), (8104, 38440), (9610, 32416), (9920, 31403), (10130, 30752), (15376, 20260), (16208, 19220)]