15856890

素因数分解:

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

素因数の和:121

約数の個数: 128

約数和(自身を含む): 47001600

約数和(自身を除く): 31144710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 49, 67, 69, 70, 98, 105, 115, 134, 138, 147, 161, 201, 210, 230, 245, 294, 322, 335, 343, 345, 402, 469, 483, 490, 670, 686, 690, 735, 805, 938, 966, 1005, 1029, 1127, 1407, 1470, 1541, 1610, 1715, 2010, 2058, 2254, 2345, 2415, 2814, 3082, 3283, 3381, 3430, 4623, 4690, 4830, 5145, 5635, 6566, 6762, 7035, 7705, 7889, 9246, 9849, 10290, 10787, 11270, 14070, 15410, 15778, 16415, 16905, 19698, 21574, 22981, 23115, 23667, 32361, 32830, 33810, 39445, 45962, 46230, 47334, 49245, 53935, 64722, 68943, 75509, 78890, 98490, 107870, 114905, 118335, 137886, 151018, 161805, 226527, 229810, 236670, 323610, 344715, 377545, 453054, 528563, 689430, 755090, 1057126, 1132635, 1585689, 2265270, 2642815, 3171378, 5285630, 7928445, 15856890]

約数ペア:

[(1, 15856890), (2, 7928445), (3, 5285630), (5, 3171378), (6, 2642815), (7, 2265270), (10, 1585689), (14, 1132635), (15, 1057126), (21, 755090), (23, 689430), (30, 528563), (35, 453054), (42, 377545), (46, 344715), (49, 323610), (67, 236670), (69, 229810), (70, 226527), (98, 161805), (105, 151018), (115, 137886), (134, 118335), (138, 114905), (147, 107870), (161, 98490), (201, 78890), (210, 75509), (230, 68943), (245, 64722), (294, 53935), (322, 49245), (335, 47334), (343, 46230), (345, 45962), (402, 39445), (469, 33810), (483, 32830), (490, 32361), (670, 23667), (686, 23115), (690, 22981), (735, 21574), (805, 19698), (938, 16905), (966, 16415), (1005, 15778), (1029, 15410), (1127, 14070), (1407, 11270), (1470, 10787), (1541, 10290), (1610, 9849), (1715, 9246), (2010, 7889), (2058, 7705), (2254, 7035), (2345, 6762), (2415, 6566), (2814, 5635), (3082, 5145), (3283, 4830), (3381, 4690), (3430, 4623)]