30995840

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2587

約数の個数: 64

約数和(自身を含む): 78030000

約数和(自身を除く): 47034160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 2549, 3040, 5098, 6080, 10196, 12160, 12745, 20392, 25490, 40784, 48431, 50980, 81568, 96862, 101960, 163136, 193724, 203920, 242155, 326272, 387448, 407840, 484310, 774896, 815680, 968620, 1549792, 1631360, 1937240, 3099584, 3874480, 6199168, 7748960, 15497920, 30995840]

約数ペア:

[(1, 30995840), (2, 15497920), (4, 7748960), (5, 6199168), (8, 3874480), (10, 3099584), (16, 1937240), (19, 1631360), (20, 1549792), (32, 968620), (38, 815680), (40, 774896), (64, 484310), (76, 407840), (80, 387448), (95, 326272), (128, 242155), (152, 203920), (160, 193724), (190, 163136), (304, 101960), (320, 96862), (380, 81568), (608, 50980), (640, 48431), (760, 40784), (1216, 25490), (1520, 20392), (2432, 12745), (2549, 12160), (3040, 10196), (5098, 6080)]