71223040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{7949}}^1$

素因数の和:7977

約数の個数: 72

約数和(自身を含む): 194997600

約数和(自身を除く): 123774560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 7949, 8960, 15898, 31796, 39745, 55643, 63592, 79490, 111286, 127184, 158980, 222572, 254368, 278215, 317960, 445144, 508736, 556430, 635920, 890288, 1017472, 1112860, 1271840, 1780576, 2034944, 2225720, 2543680, 3561152, 4451440, 5087360, 7122304, 8902880, 10174720, 14244608, 17805760, 35611520, 71223040]

約数ペア:

[(1, 71223040), (2, 35611520), (4, 17805760), (5, 14244608), (7, 10174720), (8, 8902880), (10, 7122304), (14, 5087360), (16, 4451440), (20, 3561152), (28, 2543680), (32, 2225720), (35, 2034944), (40, 1780576), (56, 1271840), (64, 1112860), (70, 1017472), (80, 890288), (112, 635920), (128, 556430), (140, 508736), (160, 445144), (224, 317960), (256, 278215), (280, 254368), (320, 222572), (448, 158980), (560, 127184), (640, 111286), (896, 79490), (1120, 63592), (1280, 55643), (1792, 39745), (2240, 31796), (4480, 15898), (7949, 8960)]