61991680

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2589

約数の個数: 72

約数和(自身を含む): 156366000

約数和(自身を除く): 94374320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 2549, 3040, 4864, 5098, 6080, 10196, 12160, 12745, 20392, 24320, 25490, 40784, 48431, 50980, 81568, 96862, 101960, 163136, 193724, 203920, 242155, 326272, 387448, 407840, 484310, 652544, 774896, 815680, 968620, 1549792, 1631360, 1937240, 3099584, 3262720, 3874480, 6199168, 7748960, 12398336, 15497920, 30995840, 61991680]

約数ペア:

[(1, 61991680), (2, 30995840), (4, 15497920), (5, 12398336), (8, 7748960), (10, 6199168), (16, 3874480), (19, 3262720), (20, 3099584), (32, 1937240), (38, 1631360), (40, 1549792), (64, 968620), (76, 815680), (80, 774896), (95, 652544), (128, 484310), (152, 407840), (160, 387448), (190, 326272), (256, 242155), (304, 203920), (320, 193724), (380, 163136), (608, 101960), (640, 96862), (760, 81568), (1216, 50980), (1280, 48431), (1520, 40784), (2432, 25490), (2549, 24320), (3040, 20392), (4864, 12745), (5098, 12160), (6080, 10196)]