31713780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 109670400

約数和(自身を除く): 77956620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 67, 69, 70, 84, 92, 98, 105, 115, 134, 138, 140, 147, 161, 196, 201, 210, 230, 245, 268, 276, 294, 322, 335, 343, 345, 402, 420, 460, 469, 483, 490, 588, 644, 670, 686, 690, 735, 804, 805, 938, 966, 980, 1005, 1029, 1127, 1340, 1372, 1380, 1407, 1470, 1541, 1610, 1715, 1876, 1932, 2010, 2058, 2254, 2345, 2415, 2814, 2940, 3082, 3220, 3283, 3381, 3430, 4020, 4116, 4508, 4623, 4690, 4830, 5145, 5628, 5635, 6164, 6566, 6762, 6860, 7035, 7705, 7889, 9246, 9380, 9660, 9849, 10290, 10787, 11270, 13132, 13524, 14070, 15410, 15778, 16415, 16905, 18492, 19698, 20580, 21574, 22540, 22981, 23115, 23667, 28140, 30820, 31556, 32361, 32830, 33810, 39396, 39445, 43148, 45962, 46230, 47334, 49245, 53935, 64722, 65660, 67620, 68943, 75509, 78890, 91924, 92460, 94668, 98490, 107870, 114905, 118335, 129444, 137886, 151018, 157780, 161805, 196980, 215740, 226527, 229810, 236670, 275772, 302036, 323610, 344715, 377545, 453054, 459620, 473340, 528563, 647220, 689430, 755090, 906108, 1057126, 1132635, 1378860, 1510180, 1585689, 2114252, 2265270, 2642815, 3171378, 4530540, 5285630, 6342756, 7928445, 10571260, 15856890, 31713780]

約数ペア:

[(1, 31713780), (2, 15856890), (3, 10571260), (4, 7928445), (5, 6342756), (6, 5285630), (7, 4530540), (10, 3171378), (12, 2642815), (14, 2265270), (15, 2114252), (20, 1585689), (21, 1510180), (23, 1378860), (28, 1132635), (30, 1057126), (35, 906108), (42, 755090), (46, 689430), (49, 647220), (60, 528563), (67, 473340), (69, 459620), (70, 453054), (84, 377545), (92, 344715), (98, 323610), (105, 302036), (115, 275772), (134, 236670), (138, 229810), (140, 226527), (147, 215740), (161, 196980), (196, 161805), (201, 157780), (210, 151018), (230, 137886), (245, 129444), (268, 118335), (276, 114905), (294, 107870), (322, 98490), (335, 94668), (343, 92460), (345, 91924), (402, 78890), (420, 75509), (460, 68943), (469, 67620), (483, 65660), (490, 64722), (588, 53935), (644, 49245), (670, 47334), (686, 46230), (690, 45962), (735, 43148), (804, 39445), (805, 39396), (938, 33810), (966, 32830), (980, 32361), (1005, 31556), (1029, 30820), (1127, 28140), (1340, 23667), (1372, 23115), (1380, 22981), (1407, 22540), (1470, 21574), (1541, 20580), (1610, 19698), (1715, 18492), (1876, 16905), (1932, 16415), (2010, 15778), (2058, 15410), (2254, 14070), (2345, 13524), (2415, 13132), (2814, 11270), (2940, 10787), (3082, 10290), (3220, 9849), (3283, 9660), (3381, 9380), (3430, 9246), (4020, 7889), (4116, 7705), (4508, 7035), (4623, 6860), (4690, 6762), (4830, 6566), (5145, 6164), (5628, 5635)]