1660984920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{219707}}^1$

素因数の和:219734

約数の個数: 128

約数和(自身を含む): 6327590400

約数和(自身を除く): 4666605480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 219707, 439414, 659121, 878828, 1098535, 1318242, 1537949, 1757656, 1977363, 2197070, 2636484, 3075898, 3295605, 3954726, 4394140, 4613847, 5272968, 5932089, 6151796, 6591210, 7689745, 7909452, 8788280, 9227694, 9886815, 11864178, 12303592, 13182420, 13841541, 15379490, 15818904, 18455388, 19773630, 23069235, 23728356, 26364840, 27683082, 29660445, 30758980, 36910776, 39547260, 41524623, 46138470, 47456712, 55366164, 59320890, 61517960, 69207705, 79094520, 83049246, 92276940, 110732328, 118641780, 138415410, 166098492, 184553880, 207623115, 237283560, 276830820, 332196984, 415246230, 553661640, 830492460, 1660984920]

約数ペア:

[(1, 1660984920), (2, 830492460), (3, 553661640), (4, 415246230), (5, 332196984), (6, 276830820), (7, 237283560), (8, 207623115), (9, 184553880), (10, 166098492), (12, 138415410), (14, 118641780), (15, 110732328), (18, 92276940), (20, 83049246), (21, 79094520), (24, 69207705), (27, 61517960), (28, 59320890), (30, 55366164), (35, 47456712), (36, 46138470), (40, 41524623), (42, 39547260), (45, 36910776), (54, 30758980), (56, 29660445), (60, 27683082), (63, 26364840), (70, 23728356), (72, 23069235), (84, 19773630), (90, 18455388), (105, 15818904), (108, 15379490), (120, 13841541), (126, 13182420), (135, 12303592), (140, 11864178), (168, 9886815), (180, 9227694), (189, 8788280), (210, 7909452), (216, 7689745), (252, 6591210), (270, 6151796), (280, 5932089), (315, 5272968), (360, 4613847), (378, 4394140), (420, 3954726), (504, 3295605), (540, 3075898), (630, 2636484), (756, 2197070), (840, 1977363), (945, 1757656), (1080, 1537949), (1260, 1318242), (1512, 1098535), (1890, 878828), (2520, 659121), (3780, 439414), (7560, 219707)]