31220784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 120

約数和(自身を含む): 102136320

約数和(自身を除く): 70915536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 56, 63, 72, 84, 94, 112, 126, 141, 144, 168, 188, 252, 282, 329, 336, 376, 423, 504, 564, 658, 659, 752, 846, 987, 1008, 1128, 1316, 1318, 1692, 1974, 1977, 2256, 2632, 2636, 2961, 3384, 3948, 3954, 4613, 5264, 5272, 5922, 5931, 6768, 7896, 7908, 9226, 10544, 11844, 11862, 13839, 15792, 15816, 18452, 23688, 23724, 27678, 30973, 31632, 36904, 41517, 47376, 47448, 55356, 61946, 73808, 83034, 92919, 94896, 110712, 123892, 166068, 185838, 216811, 221424, 247784, 278757, 332136, 371676, 433622, 495568, 557514, 650433, 664272, 743352, 867244, 1115028, 1300866, 1486704, 1734488, 1951299, 2230056, 2601732, 3468976, 3902598, 4460112, 5203464, 7805196, 10406928, 15610392, 31220784]

約数ペア:

[(1, 31220784), (2, 15610392), (3, 10406928), (4, 7805196), (6, 5203464), (7, 4460112), (8, 3902598), (9, 3468976), (12, 2601732), (14, 2230056), (16, 1951299), (18, 1734488), (21, 1486704), (24, 1300866), (28, 1115028), (36, 867244), (42, 743352), (47, 664272), (48, 650433), (56, 557514), (63, 495568), (72, 433622), (84, 371676), (94, 332136), (112, 278757), (126, 247784), (141, 221424), (144, 216811), (168, 185838), (188, 166068), (252, 123892), (282, 110712), (329, 94896), (336, 92919), (376, 83034), (423, 73808), (504, 61946), (564, 55356), (658, 47448), (659, 47376), (752, 41517), (846, 36904), (987, 31632), (1008, 30973), (1128, 27678), (1316, 23724), (1318, 23688), (1692, 18452), (1974, 15816), (1977, 15792), (2256, 13839), (2632, 11862), (2636, 11844), (2961, 10544), (3384, 9226), (3948, 7908), (3954, 7896), (4613, 6768), (5264, 5931), (5272, 5922)]