18493680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{307}}^1$

素因数の和:574

約数の個数: 80

約数和(自身を含む): 57746304

約数和(自身を除く): 39252624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 251, 307, 502, 614, 753, 921, 1004, 1228, 1255, 1506, 1535, 1842, 2008, 2456, 2510, 3012, 3070, 3684, 3765, 4016, 4605, 4912, 5020, 6024, 6140, 7368, 7530, 9210, 10040, 12048, 12280, 14736, 15060, 18420, 20080, 24560, 30120, 36840, 60240, 73680, 77057, 154114, 231171, 308228, 385285, 462342, 616456, 770570, 924684, 1155855, 1232912, 1541140, 1849368, 2311710, 3082280, 3698736, 4623420, 6164560, 9246840, 18493680]

約数ペア:

[(1, 18493680), (2, 9246840), (3, 6164560), (4, 4623420), (5, 3698736), (6, 3082280), (8, 2311710), (10, 1849368), (12, 1541140), (15, 1232912), (16, 1155855), (20, 924684), (24, 770570), (30, 616456), (40, 462342), (48, 385285), (60, 308228), (80, 231171), (120, 154114), (240, 77057), (251, 73680), (307, 60240), (502, 36840), (614, 30120), (753, 24560), (921, 20080), (1004, 18420), (1228, 15060), (1255, 14736), (1506, 12280), (1535, 12048), (1842, 10040), (2008, 9210), (2456, 7530), (2510, 7368), (3012, 6140), (3070, 6024), (3684, 5020), (3765, 4912), (4016, 4605)]